Which of the following are identities? Check all that apply.

asked Mar 3, 2021 212k views

1 vote

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3 votes

Answer:

Explanation:

thats funny i just did that

Graf answered Mar 5, 2021

by Graf

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4 votes

Answer: check all the answers except cos(x+y)+cos(x-y)=cos^2 x-sin^2 y

Explanation:

took the test and hopefully mine was the same as the image above

Paracycle answered Mar 8, 2021

9.0k points

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