Prove sin 2x + 2 sin 4x + sin 6x = 4 cos^2 x sin 4x

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In this video, we will learn to prove the equation sin 2x + 2 sin 4x + sin 6x = 4 cos^2 x sin 4x

The link of the video explaining, the proof of the identity sin A + sin B = 2 sin((A+B)/2) cos((A-B)/2) has been given below

Other topics of this video are:
Class XI exercise 3.3 problem 14
NCERT Class XI exercise 3.3 problem 14

I, Ravi Ranjan Kumar Singh, have produced this video. All credits of this video belong to me.

  1. Ravi Ranjan Kumar Singh
  2. sin 2x 2 sin 4x sin 6x = 4 cos^2 x sin 4x
  3. Prove sin 2x 2 sin 4x sin 6x = 4 cos^2 x sin 4x
  4. Prove the equation sin 2x 2 sin 4x sin 6x = 4 cos^2 x sin 4x
  5. Class XI exercise 3.3 problem 14
  6. NCERT Class XI exercise 3.3 problem 14
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Комментарии
Автор

You are giving right content then doubtnut. ❤️

risetosuccess
Автор

Really helpfull... I was confused by the second step😑ur vedio was really helpful to clear my doubt.. thankyou sir 😇

rejimonp