Sin ^ 2 ( 1 + cot ^ 2) - 1 = 0 so I tried to solve like this (1-cot^2)(1+cot^2) -1 1+cot^ 4 - 1 cot^ 4
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Originally Posted by melvis Sin ^ 2 ( 1 + cot ^ 2) - 1 = 0 so I tried to solve like this (1-cot^2)(1+cot^2) -1 1+cot^ 4 - 1 cot^ 4 What you have said at the moment is meaningless. I assume you mean that you are trying to prove . .
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