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Mathematics, 16.01.2020 11:31 Brennen432

Which of the following is not an identity?

a. cos^2 x csc x - csc x = -sin x

b. sin x(cot x + tan x) = sec x

c. cos^2 x - sin^2 x = 1- 2sin^2 x

d. csc^2 x + sec^2 x = 1

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Answers: 1

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Which of the following is not an identity?

a. cos^2 x csc x - csc x = -sin x
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