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Popular >

-cos(4 pi/2)

Solution

- cos (4 \frac{π}{2})

Solution

- 1

Solution steps

- cos (4 \cdot \frac{π}{2})

Rewrite using trig identities:

cos (4 \cdot \frac{π}{2}) = 1

= - 1

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Frequently Asked Questions (FAQ)

What is the value of -cos(4 pi/2) ?
The value of -cos(4 pi/2) is -1