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Evaluation of a Determinant

Sin2A = 2SinA...

Question

Sin2A = 2SinACosA

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A = 30^{o}

sin 2 A = 2 sin A cos A

t a n A = \frac{3}{4}

, find the value of

\frac{2 s i n A c o s A}{c o s^{2} A - s i n^{2} A}

sin 2 A = \frac{1}{2}

, then the value of

\frac{1}{2 sin A cos A}

30^{\circ}

s i n 2 A = 2 s i n A c o s A = \frac{2 t a n A}{1 + t a n^{2} A}

State true or false.

A = 30^{0}

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

If true enter 1 else 0

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