Question #e7c45

1 Answer
Jan 3, 2017

Please see explanation below.

Explanation:

Rewrite everything in terms of sin(x) and cos(x)

1cosx(sinxcosx)+(cosxsinx)=sinx

rewrite denominator

1cosxsin2x+cos2xcosxsinx=sinx

Note that sin2x+cos2x=1

1cosx1cosxsinx=sinx

We rewrite the fraction as follows

(1cosx)cosxsinx1

The cosx cancels and we are left with

sinx=sinx