Evaluate the following expressions. Your answer must be an angle in radians and in the interval -,, ?|. (a) sin '(-1) = (b) sin V3 (c) sin V2 Evaluate the following expressions. Your answer must be an exact angle in radians and in the interval [0, *] . Example: Enter pi/6 for . (a) cos 1 - V3 (b) cos 1 V2 (c) cos 1 Evaluate the following expressions. Your answer must be an exact angle in radians and in the interval -2' 7. Example: Enter pi/6 for (a) tan (-1) = (b) tan ' (v3) (c) tan '(0) = Use your calculator to evaluate cos (0.4) to at least 3 decimal places. Give the answer in radians.For the right triangle below, find the measure of the angle. Figure is not to scale. 10