Enter a problem...

Trigonometry Examples

Popular Problems

Expand the Trigonometric Expression sin(2x)+sin(x)

$\sin (2 x) + \sin (x)$

Step 1

Apply the sine double-angle identity.

$2 \sin (x) \cos (x) + \sin (x)$

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

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

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