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3 April, 12:39

Write the trigonometric expression in terms of sine and cosine, and then simplify.

csc2 x - cot2 x

+2
Answers (1)
  1. 3 April, 16:08
    0
    Csc^2x-cot^2x=1/sin^2 (x) - cos^2 (x) / sin^2 (x)

    =1-cos^2 (x) / sin^2 (x)

    =sin^2 (x) / sin^2 (x)

    =1
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