Prove the following trigonometric identities- 1-cos-A-sin2A-1-1-cos-A

Ans: We know that sin^2 A + cos^2 A = 1 sin^2 A = 1 cos^2 A LHS = 1+cos A/sin^2 A = 1+cos A/(1 cos A)(1+cos A) = 1/(1 cos A) = RHS ...

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Trigonometric Identities

Prove the fol...

Question

Prove the following trigonometric identities:\

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

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

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

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