Math, asked by saumya62, 1 year ago

sin58°sin13°+cos58°cos13°

Answers

Answered by Anonymous

2

Cos(x-y)=cosx cosy+sinx siny
sin58°sin13°+cos58°cos13°=cos(58-13)
=cos45°
=1/√2

Answered by TheBrainlyAayush

0

This is a formula, which is basically equal to sin(58+13)

This is equal to sin(71)

Hope this helps..

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