Asked by ivy
Prove that 2sin150*cos315*cos(90-x)/sin(360-x)cos(-240)sin135
Answers
Answered by
Steve
it's just an expression. Nothing to prove.
But, in the spirit of the previous post, reduce all the angles to QI reference angles and see what drops out.
But, in the spirit of the previous post, reduce all the angles to QI reference angles and see what drops out.
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