Which of the following expressions is equivalent to ? (a ≠ πn, where n is a whole number)
A) sin t (2 - 2 csc2t)
B) cos t (2 csc2t - 2)
C) cos t (2 - 2 csc2t)
D) sin t (2 csc2t - 2)
E) tan t (2 csc2t - 2)
Correct Answer:
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