How do you evaluate sec 137? Trigonometry Right Triangles Trigonometric Functions of Any Angle 1 Answer sankarankalyanam Mar 26, 2018 sec 137^@ = -1.3672 Explanation: sec 137^@ = 1 / cos (137^@) = 1/ cos (180-137^@) => - 1/cos (43^@) = -(1/0.7314) = -1.3672 Answer link Related questions How do you find the trigonometric functions of any angle? What is the reference angle? How do you use the ordered pairs on a unit circle to evaluate a trigonometric function of any angle? What is the reference angle for 140^\circ? How do you find the value of cot 300^@? What is the value of sin -45^@? How do you find the trigonometric functions of values that are greater than 360^@? How do you use the reference angles to find sin210cos330-tan 135? How do you know if sin 30 = sin 150? How do you show that (costheta)(sectheta) = 1 if theta=pi/4? See all questions in Trigonometric Functions of Any Angle Impact of this question 1895 views around the world You can reuse this answer Creative Commons License