Which of the following equations are identities? Check all that apply.
A. cot^2x+csc2x=1
B. s...
Mathematics, 07.03.2021 21:00 legazzz
Which of the following equations are identities? Check all that apply.
A. cot^2x+csc2x=1
B. sin^2x-cos^2x=1
C. sin^2x = 1 - cos^2x
D. tan^2x = sec^2x-1
can someone help me?​
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