Asked by Kyle
Write the following trigonometric expression in terms of sine and cosine, and then simplify. sin^2 x (1 + cot^2 x)
Answers
Answered by
oobleck
well, cotx = cosx/sinx, so you have
sin^2x + sin^2x cot^2x = sin^2x + cos^2x
Look familiar?
sin^2x + sin^2x cot^2x = sin^2x + cos^2x
Look familiar?
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