Enter a problem...

Trigonometry Examples

Popular Problems

Factor cos(a+B)+cos(a-B)

$\cos (a + B) + \cos (a - B)$

Step 1

$\cos (a + B) + \cos (a - B)$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$

Please ensure that your password is at least 8 characters and contains each of the following:

a number
a letter
a special character: @$#!%*?&