Math, asked by preeti1809, 9 months ago

prove that sin 47 degrees into cos 17 degrees - cos 47 degree into sin 17 degree = 1/2

Answers

Answered by hunnylather8

2

sinAcosB-cosAsinB= cos(A+B)

LHS=RHS

Hence proved

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Answered by marksteven

0

Answer:

sorry Hindi ko po maintindihan

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