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Popular >

cosh(-pii)

Solution

cosh (- πi)

Solution

- 1

Solution steps

cosh (- πi)

Use the following property:

cosh (- x) = cosh (x)

cosh (- πi) = cosh (πi)

= cosh (πi)

Rewrite using trig identities:

- 1

= - 1

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Frequently Asked Questions (FAQ)

What is the value of cosh(-pii) ?
The value of cosh(-pii) is -1