Trigonometry Examples

Simplify cot(x)*sin(x)
cot(x)sin(x)cot(x)sin(x)
Step 1
Rewrite cot(x)sin(x)cot(x)sin(x) in terms of sines and cosines.
cos(x)sin(x)sin(x)cos(x)sin(x)sin(x)
Step 2
Cancel the common factors.
cos(x)cos(x)
 [x2  12  π  xdx ]  x2  12  π  xdx