Question

answer of this question

Answer 1

Hi there

Your answer is :-

Sin 12° × sin 132°

1/2 × ( cos ( -120° ) - cos ( 144° ))

1/2 × ( -1/2 - cos ( 144 ° ))

-1/4 - cos( 144°)/2 ( Ans )

0.154508 ( Alternative Answers )



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