Verify the identity. CSC 2 t = csc tsec t cot t Which of the following four statements establishes the identity? ○ A. CSC 2 t cos t = csc t cot t sin t = csc tsect sin t ○ B. CSC 2 t 1 cos t = csc t cot t = csc tsec t cos t sin t ○ C. 2 CSC t sin t = csc t cot t = csc tsec t cos t cos t ○ D. 2 CSC t sin t = csc t cot t = csc tsec t sin cos t

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