How do you simplify 3sin4x + 3sin4x ?

2 Answers

6sin4x

Explanation:

You have two like terms: sin4x

3sin4x +3sin4x = 6sin4x

Oct 9, 2017

Let's see.

Explanation:

To simplify, two formulas of multiple angles are required rarr

(1) sin2x=2sinxcosx.

(2) cos2x=cos^2x-sin^2x.

Now,
3sin4x+3sin4x

=6sin4x

=6xx[2xx(sin2x)xx(cos2x)]

=12xx[2xx(sinx)xx(cosx)xx(cos^2x-sin^2x)]

=24sinxcosx(cosx+sinx)(cosx-sinx). (Answer).

Hope it Helps:).