Use the even-odd properties to find the exact value of the expression. Do not use a calculator.
-$$\csc \left( - \frac { \pi } { 2 } \right)$$
A) 1
B) $- 1$
C) 0
D) undefined

Name: Use the even-odd properties to find the exact value of the expression. Do not use a calculator. -\[\csc \left( - \frac { \pi } { 2 } \right)\] A) 1 B) $- 1$ C) 0 D) undefined
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Question

Quizplus · Accepted Answer

The cosecant function is odd, so $\csc (-x) = -\csc x$. Therefore, $\csc \left( - \frac { \pi } { 2 } \right) = -\csc \frac { \pi } { 2 } = -1$.

Use the Even-Odd Properties to Find the Exact Value of the Expression