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Popular >

simplify-cos(pi+a)

Solution

simplify

- cos (π + a)

Solution

cos (a)

Solution steps

- cos (π + a)

Rewrite using trig identities

= - (- cos (a))

Apply rule

- (- a) = a

= cos (a)

Popular Examples

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cos (θ + 2 π)

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simplify-3cos(3x+pi)simplify

- 3 cos (3 x + π)

simplify (tan(x^3+pi/4))^2 simplify

(tan (x^{3} + \frac{π}{4}))^{2}

Frequently Asked Questions (FAQ)

What is simplify-cos(pi+a) ?
The solution to simplify-cos(pi+a) is cos(a)