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Which of the Following Expressions Is Equivalent To $\frac { 2 \cot ^ { 3 } t } { \csc t }$

Question 24

Multiple Choice

Which of the following expressions is equivalent to $\frac { 2 \cot ^ { 3 } t } { \csc t }$ ? (a ? ?n,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)

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