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Popular >

prove cos(pi)=-1

Solution

prove

cos (π) = - 1

Solution

True

Solution steps

cos (π) = - 1

Manipulating left side

cos (π)

Simplify

= - 1

We showed that the two sides could take the same form

\Rightarrow True

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Frequently Asked Questions (FAQ)

Is cos(pi)=-1 ?
The answer to whether cos(pi)=-1 is True