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Which of the following is a trigonometric identity? A. cot theta + tan theta = 1 B. sec^2theta + csc^2theta = 1

Home/Math/Which of the following is a trigonometric identity? A. cot theta + tan theta = 1 B. sec^2theta + csc^2theta = 1

Which of the following is a trigonometric identity? A. cot theta + tan theta = 1 B. sec^2theta + csc^2theta = 1

Question

Which of the following is a trigonometric identity?
A. cot theta + tan theta = 1
B. sec^2theta + csc^2theta = 1
C. tan^2theta = sin^2theta × sec^2theta
D. cos^2theta = sec^2theta × tan^2theta

## Answers ( )

option B is right answer