Math, asked by GanapathiBappa, 1 year ago

prove that sin@ =cos (90-@)

Answers

Answered by souravsarkar045

0

R.H.S
Cos(90°-@) =Cos90°Cos@ + Sin90°Sin@

Cos(90°-@)= 0×Cos@ + 1×Sin@
Cos(90°-@)= 0+Sin@ =Sin@ [L.H.S]

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