Use a calculator to evaluate each function Round your answer

Use a calculator to evaluate each function. Round your answers to four decimal places. (Be sure the calculator is in the correct angle mode.)

(a) sec 1.50

(b) cos 1.19

Solution

a) sec1.50

I understand angles are in radians.

sec1.50 = 1/cos1.50 = 14.1368

b) cos1.19 = 0.37166