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Popular >

cos(0+pi)

Solution

cos (0 + π)

Solution

- 1

Solution steps

cos (0 + π)

Simplify

= cos (π)

Use the following trivial identity:

cos (π) = (- 1)

= - 1

Popular Examples

4sec^2(pi/4)tan^2(pi/4)+2sec^4(pi/4)

4 sec^{2} (\frac{π}{4}) tan^{2} (\frac{π}{4}) + 2 sec^{4} (\frac{π}{4})

cos (π - 1) \cdot 0.2

(cos(0.002)-1)/(0.002^2)

\frac{cos ( 0.002 ) - 1}{0.00 2 ^{2}}

(cos(2(0.001))-cos(0.001))/(0.001^2)

\frac{cos ( 2 ( 0.001 ) ) - cos ( 0.001 )}{0.00 1 ^{2}}

cot(arcsin(12/13))

cot (arcsin (\frac{12}{13}))

Frequently Asked Questions (FAQ)

What is the value of cos(0+pi) ?
The value of cos(0+pi) is -1