The maximum value the expression $\displaystyle \frac{csc^2x-tg^2x}{cot^2x+tg^2x-1}$ is ? a) 1 b) 2/3 c) 3/4 d) 4/7 e) 5/3
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Originally Posted by Apprentice123 The maximum value the expression $\displaystyle \frac{csc^2x-tg^2x}{cot^2x+tg^2x-1}$ is ? a) 1 b) 2/3 c) 3/4 d) 4/7 e) 5/3 change everything to sines and cosines and see what you get. remember the ranges for sine and cosine
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