Math, asked by p9oov7okareddy, 1 year ago

Prove that sin120°.sin140°.sin160°=root 3/8

Answers

Answered by Anonymous

49

sin(90+30). sin(90+50).sin(180-20)
cos30.cos50.sin20
root 3/2(sin30.Cos20+sin20.cos30)sin20

root 3/2(1/2.cos20+sin20.root3/2

Answered by santosh6171

0

suck you mother sandy rock

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