Math, asked by bharKRITAdeepush, 1 year ago

sin120.sin140.sin160=

Answers

Answered by Harshawardhaku
1
Sin(90+x)=cos x
This the formula, try it now ull get it
Answered by SARDARshubham
5
sin120.sin140.sin160

= sin(90+30).sin(90+50).sin(90+70)
= cos30 × sin50 × sin70
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