Question

if sintheta = 1/2
then find the value of 3costheta - 4cos³theta
$\sin( \alpha ) = \frac{1}{2} \\ \\ 3 \cos( \alpha ) - \: 4 \cos^{2} ( \alpha ) =$
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Answer 1

Answer:

it was a correct answer OK

Answer 2

IT WAS A CORRECT ANSWER.