Prove the following trigonometric identities-1-cos A sin 2 A-11-cos A

We need to prove Using the property , we get LHS = Further using the identity, , we get nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; ...

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Algebraic Identities

Prove the fol...

Question

Prove the following trigonometric identities.

$\frac{1 + \cos A}{\sin^{2} A} = \frac{1}{1 - \cos A}$

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Prove the following trigonometric identities:\

$\frac{1 + c o s A}{s i n^{2} A} = \frac{1}{1 - c o s A}$

Prove the following trigonometric identities:

$\frac{1 - c o s A}{1 + c o s A} = (c o t A - c o s e c A)^{2}$

\sqrt{\frac{1 - \cos A}{1 + \cos A}} + \sqrt{\frac{1 + \cos A}{1 - \cos A}} = 2 \cos e c A

\cos^{2} A + \frac{1}{1 + \cot^{2} A} = 1

\frac{1 + \cos A}{\sin A} = \frac{\sin A}{1 - \cos A}

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