Question 594379
Prove that "1+sin^2x=csc^2x-cot^2x+sin^2x"
Starting with right side:
csc^2x-cot^2x+sin^2x
=1/sin^2-cos^2/sin^2+sin^2
=1-cos^2/sin^2+sin^
=sin^2/sin^2+sin^2
=1+sin^2
verified:
right side=left side