Question

Simplify?
Sin (90-0) Cos (90-0) Sino​

Answer 1

$\Huge\mathfrak{\underline{\red{Answer}}}$

Sin (90-∅).Cos (90-∅).Sin∅

= cos∅ . sin∅ . sin∅

= cos(90-∅). sin∅ . sin∅

= sin∅ . sin∅ . sin∅

= sin³∅