How do you simplify sin theta + cot theta cos theta ?

1 Answer
Jul 19, 2016

csc theta

Explanation:

sin theta + cot theta cos theta

= sin theta + (cos theta/sin theta) cos theta (Since cot theta = 1/tan theta = cos theta/sin theta)

= (sin^2 theta + cos^2 theta) / sin theta

= 1/sin theta (Since sin^2 theta + cos^2 theta =1)

=csc theta