Verified Answer :

\(Look\ at\ the\ picture.\\\\cos\alpha=\frac{3}{5};\ cos\alpha=\frac{b}{c}\\\\sin\beta=\frac{b}{c}=cos\alpha\\\\therefore\\\\sin\beta=\frac{3}{5}\\\\Answer:\huge\boxed{\frac{3}{5}}\)

View image Anonymous

Related Questions