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Which of the following equations are identities? Check all that apply. A. tan2x = sec2x-1 O B. sin²x = 1 - cos²x O C. sinx-cos2x = 1 D. cot2x+csc2x= 1

Which of the following equations are identities? Check all that apply. A. tan2x = sec2x-1 O B. sin²x = 1 - cos²x O C. sinx-cos2x = 1 D. cot2x+csc2x= 1
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Which of the following equations are identities? Check all that apply.

A. tan2x = sec2x-1
O B. sin²x = 1 - cos²x
O C. sinx-cos2x = 1
D. cot2x+csc2x= 1

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User PepeFloyd
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1 Answer

3 votes

Answer:

B.

Explanation:

answered
User Phildobbin
by
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