First off, you must have a calculator to find any cos,sin, or tan.
tangent of 39 degrees is .80978
rounding to the nearest ten thousandth would be .8098 because the 8 in the hundred thousandths is greater than 5.
Graph the inequality by finding the boundary line, then shading the appropriate area.
It is basically : 0.600 + 0.03 + 0.002
