CBSE XI Science Maths Sequences and Series
Q-15 IS ATTACHED
Asked by mahesh_udr2000
29th August 2017
3:29 PM
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CBSE X Maths Introduction to Trigonometry
If 2sinΦ - 1 = 0, then prove that secΦ + tanΦ = √3.
Asked by pdcavita
18th November 2017
11:31 AM
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CBSE X Maths Introduction to Trigonometry
Find value :- 1/3(cos^2 30 - sin^2 45) + 2(sin^4 60- sec^4 45) +2/3 tan^2 60
- 65/24
- 4/3
- 24/65
- d
- 65/24
- 4/3
- 24/65
- d
Asked by sucharitasahoo1
26th December 2017
5:59 PM
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CBSE X Maths Introduction to Trigonometry
Answer the following
Asked by tultuldutta58
8th January 2018
3:20 AM
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ICSE X Maths Trigonometrical Identities
Plz solve ques 51 urgently
Asked by lovemaan5500
14th January 2018
2:18 PM
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CBSE X Maths Introduction to Trigonometry
derife geomatricaly the value of tan 45,sin60,cos 90
Asked by amolshukal.2001
23rd January 2018
3:14 PM
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ICSE X Maths
If 2 sin A - 1 =0, show that: Sin 3A =3 sin A - 4 sin³ A
Asked by Sohan
9th February 2018
12:11 PM
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ICSE IX Maths Trigonometry
Asked by Barnalidipaksagnik
11th February 2018
9:44 AM
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CBSE X Maths Introduction to Trigonometry
state true or false please explain the answer
Asked by gpnkumar0
15th February 2018
10:02 PM
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ICSE IX Maths Trigonometry
In the right angled triangle ABC,angle C=90 degrees and angle B=60 degrees.If AC=6cm,find the lengths of the sides BC and AB (Hint:Use the concept of trigonometry)
Asked by laxmi.agarwal055
21st February 2018
7:17 PM
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CBSE X Maths Introduction to Trigonometry
If sinø + 2cosø = 1 PROVE THAT : 2sinø - cosø = 2.
Asked by 1875012872798739
25th February 2018
9:37 PM
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ICSE IX Maths Trigonometry
HOW TO SOLVE THIS PROBLEM TAN (A+B-C) = 1 SIN (B + C - A ) = 1 COT ( C + A - B ) = 1 FIND A , B and C
Asked by pest34
26th February 2018
7:35 PM
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CBSE X Maths Introduction to Trigonometry
Sir/mam Please solve Question 21
Asked by Vivek.d8765
27th February 2018
4:37 PM
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CBSE X Maths Introduction to Trigonometry
Asked by gautamdingankar
4th March 2018
4:05 PM
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CBSE XII Commerce Maths
value of sin 15
Asked by harshit862000
18th April 2018
1:04 PM
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CBSE X Maths Introduction to Trigonometry
A+B = pi/2 and B+C =A. Find tanA
Asked by acv27joy
23rd April 2018
6:13 AM
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CBSE XI Science Maths
Prove that: tan A + se A - 1/ tan A - sec A + 1= 1 + sin A/ cos A
Asked by hariom2083
5th July 2018
12:18 AM
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CBSE XI Science Maths Straight Lines
17th?
Asked by smanishkumar2002
4th August 2018
8:34 PM
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ICSE X Maths
If(a+22deg.)and (4a+3deg.)are acute angles then find the degree measure of a satisfying sin(4a+3deg.)=cos(a+22deg.) deg. means degree If a and b are acute angles such that tan a =1/2,tan b=1/3 and tan(a+b)=tan a +tan b/1-tana*tanb then find tan(a+b)
Asked by kmondaldgms
16th August 2018
11:13 AM
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ICSE X Maths
If a and b are acute angles such that tan a =1/2,tan b=1/3 and tan(a+b)=tan a +tan b/1-tana*tanb then find tan(a+b)
Asked by kmondaldgms
17th August 2018
12:03 AM
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ICSE X Maths
if a sec theta +b tan theta +c=0 and p sec theta +qtan theta +r =0 then prove that (br-qc)^2 -(pc-ar)^2=(aq-bp)^2
Asked by kmondaldgms
17th August 2018
12:04 AM
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ICSE X Maths
prove that:5 cos theta +3 cos (theta+60(degree))+3 lies between -4 and 10
Asked by kmondaldgms
19th August 2018
12:23 AM
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ICSE X Maths
If A and B are complementary angles,prove that: (1)cotB + cosB =secA cosB (1 + sinB) (2)cotAcotB - sinAcosB - cosAsinB =0
Asked by gautamkr517
23rd September 2018
9:03 PM
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CBSE X Maths
Asked by shakshi.pole
29th September 2018
12:20 PM
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CBSE IX Maths
can you say the answer for my holiday assignment .i can't find the answer can someone help me trignomentry-uses ratios ,special angles and identities
Asked by SriVaishnavi
2nd October 2018
9:30 AM
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CBSE X Maths
cosA - sinA+1/ cosA+sinA-1 = cosecA+ cotA Solve the above.
Asked by roysubarna2016
2nd October 2018
11:27 AM
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CBSE X
(sin70 + cos20)(sec70 + cosec20) (tan70 – cot20)
Asked by amruta.p.1978
3rd October 2018
11:10 PM
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CBSE X Maths Introduction to Trigonometry
Page 377 Ex 6 If ∠A and ∠B are acute angles such that cosA=cosB, then show that ∠A = ∠ B.
Asked by miniprasad
23rd October 2018
9:53 PM
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CBSE X Maths
Page 405 Question 12 Evaluate: sin 30° cos 45° + cos 30° sin 45° cos 30° cos 45° - sin 30° sin 45° tan2 60° + 4 cos2 45° + 3 sec2 30° + 5 cos2 90° 4 cot2 45°- sec2 60° + sin2 60° + cos2 90°
Asked by miniprasad
23rd October 2018
9:55 PM
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CBSE X Maths
evaluate page 405 cosec2 30° sin 45° - sec2 60° sin 60° + 5 cos 90° - cot 30° tan 45° sin 30° + cos 30° tan 60° sec 60° + cosec 60° 5 sin2 30° + cos2 45° + 4 tan2 60° 2 sin 30° cos 60° + tan 45°
Asked by miniprasad
23rd October 2018
9:56 PM
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CBSE X Maths Introduction to Trigonometry
Page 406 Qst : 30 Cos θ + cos θ = 2 Cosec +1 cosec - 1
Asked by miniprasad
23rd October 2018
9:57 PM
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ICSE X Maths
Prove that (tanA+secA) - (secA+tanA)(secA-tanA) = (tanA+secA)(1-secA+tanA)
Asked by sunilvakkat
25th October 2018
2:47 PM
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ICSE IX Maths
Tan18.tan23.cosec square 45.tan67.tan72 evaluate
Asked by Savipramod
29th October 2018
12:46 AM
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CBSE X Maths
SecA-1/secA+1=1-cosA/1+cosA Prove
Asked by Kshipra.nks
1st November 2018
6:16 AM
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CBSE X Maths Introduction to Trigonometry
Find all trigonometric ratio for the angle 30 geometrically.
Asked by guptaabhinav0809
19th November 2018
10:33 PM
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ICSE X Maths
Prove that c ot^2A -cos ^2A =cos ^2A ×cot ^2A
Asked by dantkalesamarth
22nd November 2018
10:02 PM
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CBSE X Maths Introduction to Trigonometry
tan1*tan2*tan3*.........tan89*=1
Asked by singhtaran652
7th January 2019
6:31 PM
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ICSE IX Maths
how do u solve this solve for x 1) 2cos (3x-15) =1 2) cos x divided by 3 -1=0
Asked by cibysunny
9th January 2019
5:07 PM
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ICSE X Maths Trigonometric Identities
Prove that
Asked by debabratap261
18th January 2019
10:24 AM
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CBSE X Maths Introduction to Trigonometry
Evaluate: Tan²60°+4sin²45°+3sec²30°+5cos²90° ÷ Cosec30°+sec60°-cot²30°
Asked by Suraj601536
29th January 2019
9:59 PM
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CBSE X Maths Introduction to Trigonometry
explain this question step wise
Asked by ABHILASHA
2nd February 2019
9:04 AM
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ICSE X Maths Trigonometric Identities
sec2a + cosec2a=sec2COSEC2A
Asked by raghuvatsa2710
2nd February 2019
9:21 PM
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CBSE X Maths Introduction to Trigonometry
If sinA = CosA , then find the value of 2tanA + cos2A
Asked by Kumarashish6345
5th February 2019
8:13 AM
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CBSE X Maths Introduction to Trigonometry
tan theta plus sec theta minus one /tan theta minus sec theta pluc one =1 + cos theta / cos theta
Asked by jha.physio.naresh365
8th February 2019
8:47 PM
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CBSE X Maths Introduction to Trigonometry
Please explain attached question.
Asked by JSN_FRANCIS
9th February 2019
6:07 AM
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CBSE X Maths Introduction to Trigonometry
How to evaluate without tables?
Asked by malaysaha.80
9th February 2019
11:38 AM
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CBSE X Maths Introduction to Trigonometry
If sinA+sin^2+sin^3=1 prove that cos^6A-4cos^4A+8cos^2A=4 Please answer in a simpler way than the book
Asked by guptaabhinav0809
10th February 2019
11:47 PM
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ICSE X Maths Trigonometric Identities
tansquareA-tansquraB= sinsqureA-sinsquareB/cossquareA-cossquareB
Asked by m_shailander
17th February 2019
3:14 PM
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CBSE X Maths Some Applications of Trigonometry
The angle of elevation of stationary cloud from a point 25 cm above the lake is 30°and the angle of depression of its reflection in the lake 60° what is the height of the cloud above that lake level.
Asked by asumangalashetty
18th February 2019
7:49 AM
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CBSE XII Science Maths
Value of sin
Asked by alanpeter9611
24th February 2019
11:02 PM
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CBSE X Maths Introduction to Trigonometry
Evaluate (cos²67°-sin²3°)
Asked by shivanshuranjeet
5th March 2019
8:58 PM
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CBSE X Maths Introduction to Trigonometry
plzz solve this....as soon as possible..mam/sir
Asked by ABHILASHA
5th March 2019
11:16 PM
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CBSE X Maths Introduction to Trigonometry
solution for this
Asked by ABHILASHA
5th March 2019
11:18 PM
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ICSE X Maths Trigonometric Identities
How can I solve trigonometry
Asked by junaidquerashi831
1st April 2019
1:49 PM
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ICSE X Maths Trigonometric Identities
Tan²A—Tan²B=(sin²A—sin²B) ÷cos²A×cos²B
Asked by Mmanjima7
25th April 2019
12:11 PM
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CBSE XI Science Maths Trigonometric Functions
What is trigonometry
Asked by Singhnitish1475
11th May 2019
1:46 AM
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ICSE VIII Maths
If cosA = ncosB and sinA = msinB then show that (m^2-n^2)sin^2B =1-n^2
Asked by venkat.gunuganti
19th May 2019
11:55 AM
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CBSE XI Science Maths Trigonometric Functions
Cot 4x (sin5x + sin3x)= cot x (sin5x - sin3x)
Asked by Iamanish2003
20th May 2019
2:12 PM
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NEET NEET Physics
Table of sin, cos, tan theta?
Asked by harinderamit1234
25th May 2019
9:16 PM
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CBSE X Maths Introduction to Trigonometry
Find the value of sin 31π/3
Asked by Shikhasaxena523
27th May 2019
3:39 PM
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ICSE IX Maths Trigonometry
If 2sin (A+B)-1=0 and 2sin (A-B)-
3=0
Find A and B
Asked by abhiraj.abhinav39
31st May 2019
5:23 PM
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CBSE X Maths Some Applications of Trigonometry
Asked by regeliscus987
1st June 2019
1:59 PM
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CBSE XI Science Maths Trigonometric Functions
Pls solve.
Asked by pb_ckt
12th June 2019
2:48 PM
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CBSE XI Science Maths Trigonometric Functions
pls solve
Asked by pb_ckt
14th June 2019
11:19 PM
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CBSE XI Science Maths Trigonometric Functions
pls solve
Asked by pb_ckt
14th June 2019
11:20 PM
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CBSE XII Science Maths Inverse Trigonometric Functions
If y^x = e^(y-x) then prove dy/dx = (1+logy)^2/logy
Asked by ranaakshat345
17th June 2019
1:28 PM
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ICSE IX Maths Trigonometry
Tan2 30°+tan2 45°+tan2 60°
Asked by Likithavenk
18th June 2019
9:36 PM
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CBSE XI Science Maths Trigonometric Functions
Sin (90-thita)
Asked by Divyataak1984
24th June 2019
8:38 PM
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CBSE XI Science Maths Trigonometric Functions
sinx=1/2 then find the value of cosx
Asked by md.ameenkhan9292
29th June 2019
6:07 PM
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CBSE X Maths Introduction to Trigonometry
Sin(A-B)=sinAcosB-cosAsinB
Asked by Arunthakur
12th August 2019
5:45 AM
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CBSE X Maths Introduction to Trigonometry
evaluate sin30/cos45+cot45/sec60-sin60/tan45+cos30/sin90
Asked by madhavilathatirumala10
18th August 2019
7:35 PM
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CBSE X Maths Introduction to Trigonometry
evaluate 4 cot² 45 - sec² 60 + sin² 60 + cos² 90
Asked by bananti500
22nd January 2020
12:22 AM
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ICSE X Maths Trigonometrical Identities
without using trignometry tables, find the value
Asked by yashvaish39
15th February 2020
10:49 PM
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ICSE X Maths Trigonometrical Identities
Without using trigonometry table evaluate Cot30/sec30 + cosec 30 / tan45 - 2cos0 / sin30 + cos² 45
Asked by jain75ashok
19th February 2020
10:59 PM
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CBSE XI Science Maths Trigonometric Functions
Find the value of -cos(30)
Asked by lykanbeast04
21st May 2020
6:49 PM
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CBSE X Maths Introduction to Trigonometry
question
Asked by arindeep.singh
20th August 2020
6:56 PM
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CBSE X Maths Introduction to Trigonometry
question
Asked by arindeep.singh
20th August 2020
6:56 PM
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CBSE X Maths Introduction to Trigonometry
question
Asked by arindeep.singh
20th August 2020
6:56 PM
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CBSE X Maths Introduction to Trigonometry
math
Asked by ys267306
16th September 2020
12:26 PM
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ICSE XI Science Maths
which option is correct
Asked by medammanilearn
20th November 2020
9:26 AM
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CBSE XI Science Maths Trigonometric Functions
sin135º
Asked by jgftudx6545
29th November 2020
8:00 PM
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CBSE X Maths Introduction to Trigonometry
sin A + cos B A 30° B is an acute angle find the value of B
Asked by rusuishika
24th December 2020
8:44 PM
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CBSE X Maths Introduction to Trigonometry
Asked by kamakshigaur
23rd February 2021
1:21 PM
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ICSE IX Maths Trigonometry
(tan 60 + 1 / tan 60 - 1 )^2 = 1 + cos 30 / 1 - cos 30
Asked by indirasolanki5661.9sdatl
8th March 2021
7:37 PM
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CBSE XII Science Maths
find the number of solutions of the equation 6cosec²theta-5cosecthetha+1=0
Asked by rakeshpandey020280
17th March 2021
7:06 PM
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CBSE X Maths Introduction to Trigonometry
evaluate cos150
Asked by rutujaindulkar6
4th May 2021
10:19 AM
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CBSE X Maths Introduction to Trigonometry
Find the value of 4/3 tan 60°+3cos30°-2sec30°-3/4cot60°
Asked by asmaatique0987
7th May 2021
4:13 PM
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JEE Main Maths Trigonometry
plese solve it in detail with step by step explanation
Asked by ashwinbalaaji30
18th May 2021
10:51 AM
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CBSE X Maths Introduction to Trigonometry
Evaluate the following: sin 30° + tan 45° - cosec 60°/ sec 30°+ cos 60° + cot 45°
Asked by patelsahil200306
29th July 2021
5:07 PM
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CBSE X Maths Introduction to Trigonometry
evaluate sin 45°+ cos 45°?
Asked by prathibhakethavath2
3rd May 2022
6:53 PM
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JEE Main Maths Trigonometry
cos x=-1/2,x lies in which quadrant
Asked by antarshekhawat18
25th May 2022
10:32 AM
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CBSE XI Science Maths Trigonometric Functions
clear this doubt
Asked by mishraparveen1234
15th June 2022
4:56 PM
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JEE Main Maths Trigonometry
what is tan45+cot55
Asked by bhavanakookatla1986
27th June 2022
10:36 AM
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CBSE X Maths Introduction to Trigonometry
sin 60° cos 30°+sin² 30° cos 60°
Asked by yatendrak1990.YK
23rd April 2023
3:56 PM
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