In the following example, you will learn how to apply the inverse tangent function to find an unknown a Example Apply the tangent ratio to find unknown angles Find the measure of the indicated angle. Round your answer to the nearest tenth of a degree. What is mLAT BC tan (A)= Definition of tangent ratio CA 19 tan (A) 36 = Substitution Property A = tan Definition of an Inverse Tangent 36 mZA = 27,8 Calculate tan -1 (use calculator). 2 What is mLB? tan (B)=BC CA Definition of tangent ratio 36 tan (B): Substitution Property 19 B = tan Definition of an Inverse Tangent mzB = 62.2 Calculate tan (use calculator). 19 in. c 36 in. Your Turn Find the measure of the indicated angle. Round your answer to the nearest tenth of a degree. 1. Find m 2. Find m2K K 93 Graphic Use this graphic org you are being as side or ang