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Popular >

cos(3((2pi)/3))

Solution

cos (3 (\frac{2 π}{3}))

Solution

1

Solution steps

cos (3 (\frac{2 π}{3}))

= cos (3 \cdot \frac{2 π}{3})

Simplify:

3 \cdot \frac{2 π}{3} = 2 π

= cos (2 π)

cos (2 π) = cos (0)

= cos (0)

Use the following trivial identity:

cos (0) = 1

= 1

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Frequently Asked Questions (FAQ)

What is the value of cos(3((2pi)/3)) ?
The value of cos(3((2pi)/3)) is 1