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If A= $30^{\circ}$ ,then: $s i n 2 A = 2 s i n A c o s A = \frac{2 t a n A}{1 + t a n^{2} A}$
State true or false.
True
False

A

True

B

False

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Solution

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$sin 2 A = 2 sin A cos A = \frac{2 tan A}{1 + {tan}^{2} A}$
Given, $A = 30^{\circ}$

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Q1

If A=

30^{\circ}

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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.

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