Which pythagorean identity is correct?
A. sin^2(theta)+1=cos^2(theta)
B. tan^2(theta)+1=sec^2(theta)
C. 1-cot^2(theta)=csc^2(theta)
D. 1-cos^2(theta)=tan^2(theta)
Which pythagorean identity is correct?
A. sin^2(theta)+1=cos^2(theta)
B. tan^2(theta)+1=sec^2(theta)
C. 1-cot^2(theta)=csc^2(theta)
D. 1-cos^2(theta)=tan^2(theta)