Evaluate -csc(pi/2)^2 - MathMaster

Math

$- \csc^{2} (\frac{π}{2})$

The exact value of $\csc (\frac{π}{2})$ is $1$ .

$- 1^{2}$

One to any power is one.

$- 1 \cdot 1$

Multiply $- 1$ by $1$ .

$- 1$

Evaluate -csc(pi/2)^2

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