asked 92.8k views
1 vote
URGENT PLEASE HELP: 1 - 2 cos^2r = - sin^2r - 1

True
False

URGENT PLEASE HELP: 1 - 2 cos^2r = - sin^2r - 1 True False-example-1

1 Answer

5 votes

Answer:

false

Explanation:

1-2cos²r=1-2(1-sin²r)=1-2+2sin²r=2sin²r-1

answered
User Srinath Thota
by
7.9k 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.