Math, asked by jjosepht2011, 10 months ago

Find the value of sin 20° - cos 70°

Answers

Answered by rakshithabs10
1

Step-by-step explanation:

u refer above picture

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Answered by nmnikhilkumar88876
0
sin 20degree-cos 70degree
=cos (90-20degree)-cos70 degree
=cos 70 degree-cos70degree
=>o
hence proved
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