Question

# Use a calculator to find the value of the trigonometric function sin((3pi)/10) to four decimal places.

Trigonometric Functions
Use a calculator to find the value of the trigonometric function $$\displaystyle{\sin{{\left(\frac{{{3}\pi}}{{10}}\right)}}}$$ to four decimal places.

$$\displaystyle{\sin{{\left(\frac{{{3}\pi}}{{10}}\right)}}}={0.8090}$$