Question

Use a calculator to solve the equation on the interval [0,2pi).
sin x= -0.1819

Answer 1

Explanation:

The sine is negative in quadrants 3 and 4.

The angles whose sine is 0.1819

is 0.1829 rad.

So the required values of angle x are

π + 0.1829 and 2π - 0.1829

= 3.324 rad to nearest thousandth

and 6.100 rad to nearest thousandth.