Question

1+ sin thita / 1+cos thita + 1-sin thita / 1-cos thita = 2. (cosec ^2 thita -cot thita​

Answer 1

$\frac{1 + \sin(theta) }{1 + \cos(theta) } + \frac{1 - \sin(theta) }{1 - \cos(theta) } \\ = 2( {cosec}^{2} (theta)- \cot \: (theta)$
hope it help you


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