Help me solve this(trigo identification)

0

589

1

simplify cosX-cosXsin^2X

Guest Dec 9, 2016

0 users composing answers..

1⁺⁰ Answers

+33661

0

cosx - cosxsin²x → cosx(1 - sin²x) → cosx*cos²x → cos³x

.

Alan Dec 9, 2016

1 Online Users