Trigonometry Examples

Verify the Identity sin(x)^2=sin(x)^2
sin2(x)=sin2(x)
Step 1
Start on the left side.
sin2(x)
Step 2
Because the two sides have been shown to be equivalent, the equation is an identity.
sin2(x)=sin2(x) is an identity
 [x2  12  π  xdx ]