Which of the following is not an identity? A. cos^2 x cscx-cscx= -sinx B. csc^2x + sec^2x = 1 C. sinx(cotx + tanx) = secx D. cos^2x - sin^2x = 1- 2sin^2x

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asked Apr 7, 2021 152k views

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Which of the following is not an identity?

A. cos^2 x cscx-cscx= -sinx
B. csc^2x + sec^2x = 1
C. sinx(cotx + tanx) = secx
D. cos^2x - sin^2x = 1- 2sin^2x

Mathematics
high-school

Rjsang asked

by Rjsang

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3 votes

Answer:

The Answer is B.

Explanation:

I just had this question and the answer came out as B

Krinklesaurus answered Apr 13, 2021

by Krinklesaurus

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