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Paddy
Mathematics
13 April, 18:19
Verify identity cot^2x + csc^2x = 2csc^2x - 1
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August
13 April, 18:31
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Lhs = (c/s) ^2 + 1/s^2 = (c^2 + 1) / s^2 = (2 - s^2) / s^2
rhs = (2/s^2) - 1 = (2 - s^2) / s^2 = lhs
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