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Popular >

11cos(pi)

Solution

11 cos (π)

Solution

- 11

Solution steps

11 cos (π)

Use the following trivial identity:

cos (π) = (- 1)

= 11 (- 1)

Simplify

= - 11

Popular Examples

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cos (5.2)

-sin(pi/4)+2cos(pi/4)

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arccos((13^2+13^2+7^2)/(2(13)(13)))

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Frequently Asked Questions (FAQ)

What is the value of 11cos(pi) ?
The value of 11cos(pi) is -11