`y = sin(theta) cos(theta)` Differentiate.

Expert Answers
nick-teal eNotes educator| Certified Educator

`y = sin(theta) cos(theta)`

`y' = cos(theta) cos (theta) + sin(theta) (-sin(theta))`

`y' = cos^2(theta) - sin^2(theta)`

balajia | Student

`y=(2sintheta.costheta)/2`

`y=sin(2theta)/2`

`y'=2cos(2theta)/2=cos(2theta)`