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Popular >

cos(pi)-1

Solution

cos (π) - 1

Solution

- 2

Solution steps

cos (π) - 1

Use the following trivial identity:

cos (π) = (- 1)

= - 1 - 1

Simplify

= - 2

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Frequently Asked Questions (FAQ)

What is the value of cos(pi)-1 ?
The value of cos(pi)-1 is -2