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Popular >

pi/2 cos(pi)

Solution

\frac{π}{2} cos (π)

Solution

- \frac{π}{2}

+1

Solution steps

\frac{π}{2} cos (π)

Use the following trivial identity:

cos (π) = (- 1)

= \frac{π}{2} (- 1)

Simplify

= - \frac{π}{2}

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Frequently Asked Questions (FAQ)

What is the value of pi/2 cos(pi) ?
The value of pi/2 cos(pi) is -pi/2