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Advanced Trigonometric Formulae

Kerala XI Science Mathematics Trigonometric Functions

Solve Sin2x-Sin4x+Sin6x=0.
 

Asked by Deebu 3rd February 2015 3:52 PM
Answered by Expert

CBSE XI Science Mathematics Sequences and Series

Q-15 IS ATTACHED
 

Asked by mahesh_udr2000 29th August 2017 3:29 PM
Answered by Expert

CBSE XI Science Mathematics Trigonometric Functions

Can you please solve this ? And give detail answer.
 

Asked by Varsneya Srinivas 20th October 2017 5:20 PM
Answered by Expert

JEE JEE (Main) Mathematics

O3 pls

Asked by Tanishq 25th October 2017 6:49 AM
Answered by Expert

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

Q11pls

Asked by Tanishq 25th October 2017 5:17 PM
Answered by Expert

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

Q14pls

Asked by Tanishq 25th October 2017 5:20 PM
Answered by Expert

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

Q22 pls

Asked by Tanishq 25th October 2017 5:33 PM
Answered by Expert

CBSE XI Science Mathematics Trigonometric Functions

prove that sine square eighteen degree plus cosine square thirty six degree  is equal to three by four

Asked by hrushikesh.barik 30th October 2017 8:27 PM
Answered by Expert

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

ques 7 and ques 6

Asked by rbhatt16 6th November 2017 5:52 PM
Answered by Expert

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

I didnt get what you have done after fi ding tan2x

Asked by chandanbr6004 9th November 2017 9:44 AM
Answered by Expert

CBSE XI Science Mathematics Trigonometric Functions

Prove that:
(i) cos(A-B)= cosAcosB + sinAsinB
(ii)cos(A+B)= cosAcosB - sinAsinB

Asked by sunil2791 14th November 2017 7:46 PM
Answered by Expert

CBSE XI Science Mathematics Trigonometric Functions

Solve  Sin(2x) > (Cosx)^2

Asked by sudhanshubhushanroy 15th November 2017 8:28 PM
Answered by Expert

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

JEE ALL Class Mathematics Trigonometric Ratios, Identities and Equations

please solve the question

Asked by jaychandran1967 7th December 2017 5:36 PM
Answered by Expert

JEE ALL Class Mathematics Trigonometric Ratios, Identities and Equations

17

Asked by rbhatt16 7th December 2017 8:48 PM
Answered by Expert

JEE ALL Class Mathematics Solutions of Triangle

3

Asked by rbhatt16 7th December 2017 9:10 PM
Answered by Expert

JEE ALL Class Mathematics Trigonometric Ratios, Identities and Equations

ques 8

Asked by rbhatt16 12th December 2017 4:11 PM
Answered by Expert

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 Trigonometric Functions

sin 3x + sin 2x - sin x = 4 sin x cos x/2 cos 3x/2

Asked by haroonrashidgkp 20th December 2017 11:35 AM
Answered by Expert

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
Answered by Expert

JEE JEE (Main) Mathematics

  With usual notation prove that 2 ( a sin^2 C/2+c sin^2 A/2 ) = a + c- b

Asked by shahsamaira2 8th January 2018 5:28 PM
Answered by Expert

CBSE XI Science Mathematics Trigonometric Functions

please help along with me...

Asked by nitishkrnehu09 6th February 2018 9:20 PM
Answered by Expert

JEE JEE (Main) Mathematics

prove that 1)sin square + cos square dived by sinsquare -cos square = 1 2) if the given eq is not equal to RHS then find value of LHS  

Asked by futureisbright051101 21st February 2018 7:19 PM
Answered by Expert

CBSE XI Commerce Mathematics

Question no. 24

Asked by Payal 22nd February 2018 10:05 AM
Answered by Expert

CBSE XI Science Mathematics Trigonometric Functions

If 13θ= π , find the value of 3θ+cos5θ + 2cosθcos9θ

Asked by tps.mjmdr 16th June 2018 5:40 PM
Answered by Expert

CBSE XI Science Mathematics Trigonometric Functions

If acos θ = bcos (θ+120°) = c cos (θ+240°) , then find the value of 1/a+1/b+1/c

Asked by tps.mjmdr 16th June 2018 5:45 PM
Answered by Expert

JEE JEE (Main) Mathematics

Prove that

Asked by Anish 6th July 2018 10:18 PM
Answered by Expert

JEE JEE (Main) Mathematics

Prove that

Asked by Anish 6th July 2018 10:21 PM
Answered by Expert

JEE JEE (Main) Mathematics

Prove that

Asked by Anish 9th July 2018 1:08 PM
Answered by Expert

CBSE XI Science Mathematics Trigonometric Functions

cos 840 find the value

Asked by ramakoti61 9th July 2018 8:45 PM
Answered by Expert

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

Prove that 

Asked by Anish 11th July 2018 1:33 PM
Answered by Expert

JEE JEE (Main) Mathematics

Prove that

Asked by Anish 11th July 2018 1:37 PM
Answered by Expert

CBSE XI Science Mathematics Trigonometric Functions

Please give full solution with explanation 

Asked by rtortechger.official 12th July 2018 7:42 PM
Answered by Expert

ICSE X Mathematics

If cos(a-b)+cos(b-c)+cos (c-a)= -3?2 ; then prove that  cos a +cos b+cos c+sin a +sinb +sinc=0 

Asked by keshavendu35 17th August 2018 12:10 AM
Answered by Expert

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