Verify the following identity. tan X + cot X = 2 csc x 2 Which of the following four statements establishes the identity? 1 + cos x O A. tan 0| X + cot NIX + = 2 csc x sin x COS X X 1 + cos x 1 + cos x + cot X O B. tan = =2 csc x 2 sin x sin x x 1 - COs X 1 + cos x O C. tan + cot = = 2 csc X 2 sin x sin x O D. tan X 1 - COS X 1 + cot X = = 2 csc x 2 2 sin x COS X