CBSE X Mathematics Introduction to Trigonometry
Prove that : cotA + cosecA - 1/cotA-cosecA+1 = 1+cosA / sinA
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20th September 2012
10:07 PM
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CBSE XI Science Mathematics Trigonometric Functions
Q.prove that
tan x + 2 tan 2x+ 4 tan 4x + 8 cot 8x =cot x
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24th May 2017
12:03 PM
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JEE Plances JEE (Main) Mathematics Trigonometric Ratios, Identities and Equations
Q21 pls
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25th October 2017
5:27 PM
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JEE Plances JEE (Main) Mathematics Solutions of Triangle
Q1 pls
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27th October 2017
10:00 AM
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JEE Plances JEE (Main) Mathematics Solutions of Triangle
Q2
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28th October 2017
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JEE Plances JEE (Main) Mathematics Solutions of Triangle
Q4 pls 
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28th October 2017
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JEE Plances JEE (Main) Mathematics Solutions of Triangle
Q5 pls 
Asked by Tanishq
28th October 2017
10:26 AM
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CBSE XI Science Mathematics Trigonometric Functions
Solve Sin(2x) > (Cosx)^2
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15th November 2017
8:28 PM
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CBSE XI Science Mathematics Trigonometric Functions
Solve
Sin(2x) > Squart(2)*Sinx^2 + ( 2 - Squart2 )*Cosx^2
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15th November 2017
8:42 PM
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CBSE XI Science Mathematics Trigonometric Functions
No idea for starting the following question..
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23rd November 2017
9:43 AM
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JEE Plances ALL Class Mathematics Trigonometric Ratios, Identities and Equations
17
17
Asked by rbhatt16
7th December 2017
8:48 PM
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CBSE XI Science Mathematics Trigonometric Functions
Solve:
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10th December 2017
10:33 PM
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JEE Plances ALL Class Mathematics Trigonometric Ratios, Identities and Equations
ques 9
ques 9
Asked by rbhatt16
11th December 2017
8:38 PM
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JEE Plances ALL Class Physics Sound Waves
Find the time period of following
Asked by venkat
12th December 2017
2:31 PM
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JEE Plances ALL Class Physics Sound Waves
Find the time period of following
Asked by venkat
12th December 2017
2:33 PM
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JEE Plances ALL Class Mathematics Trigonometric Ratios, Identities and Equations
ques 16
ques 16
Asked by rbhatt16
12th December 2017
4:21 PM
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CBSE XI Science Mathematics Permutations and Combinations
The question is attached. Please send the step by step complete solution. I also request that please don't send any weblink to this question because I am unable to open thelink everytime.
The question is attached. Please send the step by step complete solution. I also request that please don't send any weblink to this question because I am unable to open thelink everytime.
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12th December 2017
8:22 PM
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CBSE XII Science Mathematics Inverse Trigonometric Functions
The question is attached above. Please send step by step complete solution. I also request you please do not send any web link to this question because I am unable to open the link every time .
The question is attached above. Please send step by step complete solution. I also request you please do not send any web link to this question because I am unable to open the link every time .
Asked by sudhanshubhushanroy
14th December 2017
6:49 AM
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CBSE XI Science Mathematics Trigonometric Functions
The question is attached above. Please send step by step complete solution. I also request you please do not send any web link to this question because I am unable to open the link every time .
The question is attached above. Please send step by step complete solution. I also request you please do not send any web link to this question because I am unable to open the link every time .
Asked by sudhanshubhushanroy
14th December 2017
6:51 AM
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CBSE XI Science Mathematics Trigonometric Functions
The question is attached above. Please send step by step complete solution. I also request you please do not send any web link to this question because I am unable to open the link every time .
The question is attached above. Please send step by step complete solution. I also request you please do not send any web link to this question because I am unable to open the link every time .
Asked by sudhanshubhushanroy
14th December 2017
6:52 AM
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CBSE ALL Class Mathematics
A,B and C are acute angles of triangle ABC. Prove tan(A+B)/2=cot C/2
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21st December 2017
9:59 PM
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CBSE X Mathematics Introduction to Trigonometry
If tan A = 5/6 and tan B = 1/11 , Then (A+B) =?
- pie/2
- pie/4
- 3pie/2
- nome of these
- pie/2
- pie/4
- 3pie/2
- nome of these
Asked by sucharitasahoo1
26th December 2017
6:18 PM
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CBSE XI Commerce Mathematics
Sin2x+sin4x+sin6x=0
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2nd January 2018
12:34 PM
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CBSE XI Science Mathematics Trigonometric Functions
please help in this
Asked by nitishkrnehu09
7th February 2018
9:52 PM
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CBSE XI Science Mathematics Trigonometric Functions
tanA = x/x+1 and tanB = x/2x+1 Find A + B
Asked by acv27joy
20th April 2018
2:53 PM
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JEE Plances JEE (Main) Mathematics
Q-1 if x+y+z=pi/2 show that sin2x+sin2y+sin2z=4cosxcosycosz
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10th May 2018
7:53 AM
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JEE Plances JEE (Main) Mathematics
can someone please solve!
Asked by pukai7229
16th May 2018
9:25 AM
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CBSE XI Science Mathematics Trigonometric Functions
Prove the identity
Asked by Anish
16th June 2018
3:25 PM
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CBSE XI Science Mathematics Trigonometric Functions
(1+cosπ/8)(1+cos3π/8)(1+cos5π/8)(1+cos7π/8)=1/8
Asked by rajkumarpandey3783
6th July 2018
9:02 PM
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JEE Plances JEE (Main) Mathematics
Prove that
Asked by Anish
9th July 2018
1:08 PM
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CBSE XI Science Mathematics Trigonometric Functions
in a right angled triangle the hypotenuse is 2root2 times the perpendicular drawn from the opposite vertex then then other acute angles of triangle are
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10th July 2018
6:28 PM
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CBSE XII Science Mathematics
find dy/dx when x = ethita(sin thita + cos thita) and y = ethita(sin thita – cos thita) explain in great detail
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15th August 2018
8:32 PM
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ICSE X Mathematics
If I tan a +m sec a=n and q tan a +r seca =j then prove that:(nq-qn/mq-rl)^2=1+(jm-rn/mq-lr)^2
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16th August 2018
11:20 AM
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ICSE X Mathematics
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 Mathematics
prove that:5 cos theta +3 cos (theta+60(degree))+3 lies between -4 and 10
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19th August 2018
12:23 AM
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CBSE XII Science Mathematics
If y = sin(log x), prove that x2d2y/dx2 + xdy/dx + y = 0 Explain in great detail
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25th August 2018
7:06 PM
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CBSE XI Science Mathematics Trigonometric Functions
Which of the following is the correct option?
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3rd September 2018
9:03 AM
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JEE Plances JEE (Main) Mathematics
Q) Solve the following equation; sinx-3sin2x+sin3x=cosx-3cos2x+cos3x.
Asked by Anish
9th September 2018
8:02 PM
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CBSE XII Science Mathematics
If in a triangle ABC , the side c and the angle c remain constant while the remaining elements are changed slightly , show that da/cosA + db/cosB = 0 Explain in great detail
Asked by haroonrashidgkp
22nd September 2018
3:39 PM
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ICSE X Mathematics
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 XII Commerce Mathematics
2 sin^-1(1/√2)-sin^-1(1/2)
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2nd October 2018
8:31 PM
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JEE Plances JEE (Main) Mathematics
in any triangle ABC , (a+b)^2sin^2c/2+(a-b)^2cos^2c/2=
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6th October 2018
6:48 PM
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JEE Plances JEE (Main) Mathematics
A+B+C=180 DEGREES find value of Sin2A+Sin2B+6sin2C and Cos2A+Cos2B+6Cos2C
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7th October 2018
2:56 PM
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ICSE IX Mathematics Trigonometry
Please solve this question. Correct answer is option (c).
Asked by Mohammed
13th October 2018
4:18 PM
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CBSE XII Science Mathematics Integrals
Integration ex (2 – sin 2x/1- cos2x)dx explain in great detail
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26th October 2018
9:39 AM
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JEE Plances JEE (Main) Mathematics
Detailed solution for this.
Asked by g_archanasharma
16th December 2018
6:19 PM
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ICSE X Mathematics Trigonometric Identities
Prove that
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18th January 2019
10:24 AM
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CBSE X Mathematics Introduction to Trigonometry
If 3 sin A + 5 cos A = 5, prove that (5 sin A - 3 cos A) = +-3
Asked by Kumarashish6345
22nd February 2019
8:57 AM
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JEE Main Mathematics Trigonometry
If in a ∆ABC ,cotA/2+cotB/2+cotC/2=k cotA/2cotB/2 cotC/2, then find the value of k.
Asked by azizrajil03
28th February 2019
3:54 PM
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CBSE XI Commerce Mathematics
sinx + sin3x/cosx -con3x = cotx
Asked by sanjeevnayan3
23rd June 2019
12:55 PM
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CBSE XI Science Mathematics Trigonometric Functions
Find the values of x for which it satisfies tanx = cot 5 x as well as sin 2x = cos 4x [x€ (-π/2,π/2)]
Asked by sajal2402
30th July 2019
11:19 AM
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CBSE XI Science Mathematics Trigonometric Functions
plzz explain how to solve it with the solution
Asked by ABHILASHA
7th September 2019
3:14 PM
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ICSE IX Mathematics Trigonometry
CosA=0.5 /cosB=1/√2 find value of TanA-TanB /1+TanATanB
Asked by ashwinipandey7355
3rd December 2019
11:01 PM
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ICSE X Mathematics Trigonometric Identities
Are marks deducted for not writing the reasons in trigonometrical proving questions?
Asked by nidhisingh200418
3rd March 2020
6:24 PM
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ICSE X Mathematics
Are marks deducted for not writing the reasons in trigonometrical proving questions even in icse board papers?
Asked by nidhisingh200418
4th March 2020
4:14 PM
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CBSE XI Science Mathematics Trigonometric Functions
If the value of cosec x repeats after an interval of 2
,then what is the value of cosec(7/6)?
,then what is the value of cosec(7/6)?
Asked by dppanigrahiadv
26th May 2020
7:03 PM
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CBSE XI Science Mathematics Trigonometric Functions
trigonometry ka question hai please solve
Asked by jaiswalpiyush040
20th July 2020
8:22 AM
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CBSE XI Science Mathematics Trigonometric Functions
clear my doubt
Asked by kandukuriPraneeth16
25th July 2020
6:18 PM
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CBSE XI Science Mathematics Trigonometric Functions
Cos5π/4-sin5π/4+tan11π/4-cot11π/4? SIn4530°? Cos (-9π/4)? Sin 120°cos 150°-cos240°sin330°? If tan35°=k then,Tan145°-Tan125°/1+Tan145°.Tan125°?
Asked by Pallapothu.a
5th August 2020
4:13 PM
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CBSE XII Science Mathematics
need answer for 12 question
Asked by vhymag
7th August 2020
7:12 AM
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CBSE XI Science Mathematics Trigonometric Functions
Q10
Asked by omved0304
7th August 2020
11:24 AM
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ICSE XI Science Mathematics
Evaluate : (cos3x-2cos4x)/(sin3x+2sin4x)
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13th August 2020
11:06 PM
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CBSE XII Science Mathematics
cos¯¹[cos(680°)]
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15th August 2020
3:07 PM
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CBSE XI Science Mathematics Trigonometric Functions
pls clear the doubt, dear sir/ madam
Asked by sachitshanchinal
2nd September 2020
2:53 PM
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CBSE XI Science Mathematics Trigonometric Functions
A+B=360° tanA+tanB/1-tanA tanB
Asked by ManjuShaharraiya
15th September 2020
9:57 PM
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CBSE XI Science Mathematics Trigonometric Functions
Prove that 2sin^2 y + 4cos(x + y) sinxsiny ny + cos 2 * (x + y) = cos 2x
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21st September 2020
12:19 PM
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CBSE XI Science Mathematics Trigonometric Functions
cos square (60-x) +cos square (60+x) belongs to
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25th September 2020
1:32 PM
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CBSE X Mathematics Introduction to Trigonometry
sin60cos30+sin30cos60
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27th September 2020
10:52 AM
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CBSE XII Commerce Mathematics
If f(x) = sinx +sin? (x + 7/3) + cos2.cos (x + (x+5) and g(5/4) = 1, then (gof)(x) =
Asked by adithyavardhansudagoni2004
27th September 2020
11:08 AM
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ICSE IX Mathematics Trigonometry
If cos A + sec A = 2, find value of cos2 A + sec2 A.
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30th September 2020
3:41 PM
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CBSE XI Science Mathematics Trigonometric Functions
If A+B+C=pi , then equality of equation (1/2)(cosA cosB + cosB cosC + cosC cosA) must hold: a) <= 3/2. b) >=(-3) c) <=3/8 d) >=(-1)
Asked by shanujam03
3rd October 2020
8:59 PM
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ICSE IX Mathematics Trigonometry
In a triangle ABC, show that : tan B+C/2 = cot A/2
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13th March 2021
10:43 AM
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CBSE XII Science Mathematics
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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