Question

if sin A=1/2,then find the value of 3 sin A-4 sin^3 A

Answer 1

$\sin( \alpha ) = ( \frac{1}{2} ) \\ 3 \sin( \alpha ) - 4 { \sin }^{3} \alpha \\ \frac{3}{2} - 4( \frac{1}{8} ) \\ = 1$
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Answer 2

Step-by-step explanation:

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