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Popular >

expand cos((7pi)/3)

Solution

expand

cos (\frac{7 π}{3})

Solution

\frac{1}{2}

+1

Decimal Notation

0.5

Solution steps

cos (\frac{7 π}{3})

cos (\frac{7 π}{3}) = cos (\frac{π}{3})

= cos (\frac{π}{3})

Use the following trivial identity:

cos (\frac{π}{3}) = \frac{1}{2}

= \frac{1}{2}

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Frequently Asked Questions (FAQ)

What is expand cos((7pi)/3) ?
The solution to expand cos((7pi)/3) is 1/2