Evaluate the Following Expression $\neq$ $\pi$ /2 $\pi$ N, Where N Is a Whole Number)

question 191

Multiple Choice

Evaluate the following expression.(t $\neq$ $\pi$ /2+ $\pi$ n, where n is a whole number)
$2 \sin t \csc \left( \frac { \pi } { 2 } - t \right)$

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