Trigonometry Examples

Verify the Identity csc(theta)^2=1+cot(theta)^2
csc2(θ)=1+cot2(θ)
Step 1
Start on the right side.
1+cot2(θ)
Step 2
Apply pythagorean identity.
csc2(θ)
Step 3
Because the two sides have been shown to be equivalent, the equation is an identity.
csc2(θ)=1+cot2(θ) is an identity
 [x2  12  π  xdx ]