Question

1032. Which one of the following identities (wherever defined)
is not correct?
sinx-cos*x - 1
(A) sinx-cos²x
cotx cotx-1
(B) T+ tanx 2-sec?x
(C) cosec-x + sec x = cosec x. sec?x
(D) [1 + cotx- cosec x)(1 + tan x + sec x)] = 1​

Answer 1

Answer is option B

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