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Popular >

simplify 1-cos(npi)

Solution

simplify

1 - cos (nπ)

Solution

1 - (- 1)^{n}

Solution steps

1 - cos (nπ)

Use the basic trigonometric identity:

cos (nπ) = (- 1)^{n}

= 1 - (- 1)^{n}

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Frequently Asked Questions (FAQ)

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