Math, asked by poojith51, 1 year ago

cos 47.sin17-sin47.cos=1/2

Answers

Answered by tushar8138

6

by using the formula

sin(a-b)=sina*cosb-cosa*sinb

here a=47 and b=17

therefore

sin(47-17)=sin30

=> sin 30=1/2= rhs

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