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Popular >

simplify (cos(npi))/n

Solution

simplify

\frac{cos ( nπ )}{n}

Solution

\frac{( - 1 ) ^{n}}{n}

Solution steps

\frac{cos ( nπ )}{n}

Use the basic trigonometric identity:

cos (nπ) = (- 1)^{n}

= \frac{( - 1 ) ^{n}}{n}

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Frequently Asked Questions (FAQ)

What is (cos(npi))/n ?
The solution to (cos(npi))/n is ((-1)^n)/n