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Trigonometric Functions

CBSE XI Science Mathematics Trigonometric Functions

Q.prove that
   tan x + 2 tan 2x+ 4 tan 4x + 8 cot 8x =cot x
 
 

Asked by imabhi264 24th May 2017 12:03 PM
Answered by Expert

JEE JEE (Main) Mathematics Trigonometric Ratios, Identities and Equations

Q21 pls

Asked by Tanishq 25th October 2017 5:27 PM
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JEE JEE (Main) Mathematics Solutions of Triangle

Q1 pls

Asked by Tanishq 27th October 2017 10:00 AM
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JEE JEE (Main) Mathematics Solutions of Triangle

Q2

Asked by Tanishq 28th October 2017 10:17 AM
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JEE JEE (Main) Mathematics Solutions of Triangle

Q4 pls 

Asked by Tanishq 28th October 2017 10:20 AM
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JEE 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

Asked by sudhanshubhushanroy 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

Asked by sudhanshubhushanroy 15th November 2017 8:42 PM
Answered by Expert

CBSE XI Science Mathematics Trigonometric Functions

No idea for starting the following question..
 

Asked by nitishkrnehu09 23rd November 2017 9:43 AM
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JEE ALL Class Mathematics Trigonometric Ratios, Identities and Equations

17

Asked by rbhatt16 7th December 2017 8:48 PM
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CBSE XI Science Mathematics Trigonometric Functions

Solve:

Asked by nitishkrnehu09 10th December 2017 10:33 PM
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JEE ALL Class Mathematics Trigonometric Ratios, Identities and Equations

ques 9

Asked by rbhatt16 11th December 2017 8:38 PM
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JEE 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 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 ALL Class Mathematics Trigonometric Ratios, Identities and Equations

ques 16

Asked by rbhatt16 12th December 2017 4:21 PM
Answered by Expert

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.

Asked by sudhanshubhushanroy 12th December 2017 8:22 PM
Answered by Expert

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  .

Asked by sudhanshubhushanroy 14th December 2017 6:49 AM
Answered by Expert

CBSE ALL Class Mathematics

A,B and C are acute angles of triangle ABC. Prove tan(A+B)/2=cot C/2

Asked by subhasray1968 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) =?
  1. pie/2
  2. pie/4
  3. 3pie/2
  4. nome of these

Asked by sucharitasahoo1 26th December 2017 6:18 PM
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CBSE XI Commerce Mathematics

Sin2x+sin4x+sin6x=0

Asked by Chirag 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 JEE (Main) Mathematics

Q-1 if x+y+z=pi/2 show that sin2x+sin2y+sin2z=4cosxcosycosz

Asked by napaliwal 10th May 2018 7:53 AM
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JEE 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 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   

Asked by gargpuneet989 10th July 2018 6:28 PM
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CBSE X Mathematics

Prove that:

Asked by 1784393325200864 16th July 2018 6:23 AM
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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

Asked by haroonrashidgkp 15th August 2018 8:32 PM
Answered by Expert

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

Asked by kmondaldgms 16th August 2018 11:20 AM
Answered by Expert

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
Answered by Expert

ICSE X Mathematics

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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CBSE XII Science Mathematics

If y = sin(log x), prove that x2d2y/dx2 + xdy/dx  + y = 0   Explain in great detail  

Asked by haroonrashidgkp 25th August 2018 7:06 PM
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CBSE XI Science Mathematics Trigonometric Functions

Which of the following is the correct option?

Asked by dineshchem108 3rd September 2018 9:03 AM
Answered by Expert

JEE JEE (Main) Mathematics

Q) Solve the following equation;  sinx-3sin2x+sin3x=cosx-3cos2x+cos3x.

Asked by Anish 9th September 2018 8:02 PM
Answered by Expert

CBSE XII Commerce Mathematics

2 sin^-1(1/√2)-sin^-1(1/2)

Asked by kumarsaurav68 2nd October 2018 8:31 PM
Answered by Expert

JEE JEE (Main) Mathematics

in any triangle ABC , (a+b)^2sin^2c/2+(a-b)^2cos^2c/2=

Asked by nd films 6th October 2018 6:48 PM
Answered by Expert

JEE JEE (Main) Mathematics

A+B+C=180 DEGREES  find value of  Sin2A+Sin2B+6sin2C and  Cos2A+Cos2B+6Cos2C

Asked by Vidushi412 7th October 2018 2:56 PM
Answered by Expert

ICSE IX Mathematics Trigonometry

Please solve this question. Correct answer is option (c).

Asked by Mohammed 13th October 2018 4:18 PM
Answered by Expert

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