Trigonometry Examples

$2 \sin (\frac{5 π}{6})$

Step 1

Apply the reference angle by finding the angle with equivalent trig values in the first quadrant.

$2 \sin (\frac{π}{6})$

Step 2

The exact value of $\sin (\frac{π}{6})$ is $\frac{1}{2}$ .

$2 (\frac{1}{2})$

Step 3

Cancel the common factor of $2$ .

Tap for more steps...

Step 3.1

Cancel the common factor.

$2 (\frac{1}{2})$

Step 3.2

Rewrite the expression.

$1$