Home
Class 12
MATHS
Prove that: sin x + sin 3x + sin 5x + si...

Prove that: `sin x + sin 3x + sin 5x + sin 7x= 4 cos x cos 2x sin 4x`

Answer

Step by step text solution for Prove that: sin x + sin 3x + sin 5x + sin 7x= 4 cos x cos 2x sin 4x by MATHS experts to help you in doubts & scoring excellent marks in Class 12 exams.

Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • TRIGONOMETRIC FUNCTIONS AND IDENTITIES

    ARIHANT MATHS|Exercise Exercise For Session 8|10 Videos

  • TRIGONOMETRIC FUNCTIONS AND IDENTITIES

    ARIHANT MATHS|Exercise Exercise For Session 9|10 Videos

  • TRIGONOMETRIC FUNCTIONS AND IDENTITIES

    ARIHANT MATHS|Exercise Exercise For Session 6|8 Videos

  • TRIGONOMETRIC EQUATIONS AND INEQUATIONS

    ARIHANT MATHS|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|12 Videos

  • VECTOR ALGEBRA

    ARIHANT MATHS|Exercise Exercise (Questions Asked In Previous 13 Years Exam)|9 Videos

Similar Questions

Explore conceptually related problems

Prove that: (sin 3x + sin x) sin x + (cos 3x -cos x) cos x = 0

Prove that sin7x + sin5x + sin3x + sinx = 4cosx cos2x sin4x

Prove that sin2x + sin8x = 2sin5x cos3x

Prove that (sin 4x + sin 3x + sin 2x)/(cos 4x + cos 3x + cos 2x) = tan 3x

Prove that: ((sin 7x + sin 5x) + (sin 9x + sin 3x))/((cos7x + cos5x) + (cos9x + cos 3x))=tan 6x

Prove the following: sin2 x + 2 sin 4x + sin 6x = 4 cos^2 x sin 4x

Prove that sin4x = 4sinx cos^3x - 4cosx sin^3x

Prove that: sin3x=3sinx-4sin^3x

The period of the function f(x) = (sin x + sin 3x - sin 5x + sin 7x)/(cos x + cos 3x + cos 5x + cos 7x) is

Prove that: sin 3x + sin 2x -sin x = 4sin x cosfrac(x)(2)cosfrac(3x)(2)

Home
Profile