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vovikov84 [41]
2 years ago
10

Find the exact value of cos(-pi/12).

Mathematics
1 answer:
gtnhenbr [62]2 years ago
4 0

Remove full 2π rotations until the angle is between 0 and 2π.

\bf{cos\left(\dfrac{23\pi}{2}\right) }

Evaluate \bf{cos\left(\frac{23\pi}{2}\right) }.

0.96592582

The result can be displayed in multiple ways.

Exact form:

\bf{cos\left(-\dfrac{23\pi}{2}\right) }

Greeting.

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Step-by-step explanation:

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