Question

Help!!!

Answer 1

I am typing the equation now.

Answer 2

\[\frac{\sin x ^{3}+\cos x ^{3} }{ \sin x+\cos x }=1\]

Answer 3

sorry. =1-sin x cos x

Answer 4

@Ammarilynne Do you remember how to factor the sum of two cubes?

Answer 5

Yes, I tried that, but I still couldn't figure it out.

Answer 6

Please post how (sin³ x + cos³x) factors. That is the key to solving this.

Answer 7

Ah ha! I did not see that the numerator and denominator canceled. Then sin^2+cos^2=1 and you have the answer! Thank You SOOOOOO much!