asked 139k views
1 vote
Rewrite the expression as an equivalent expression that does not contain powers of trigonometric functions greater than 1.

cos^4(x)

asked
User Trench
by
8.3k points

1 Answer

2 votes
cos^4(x) =
(cos²x)² =
(1-sen²x)² =
1² - 2*1*sen²x + sen^4x =
1 - 2sen²x + sen^4x
answered
User Derk
by
8.1k points

No related questions found

Welcome to Qamnty — a place to ask, share, and grow together. Join our community and get real answers from real people.