Use a half angle formula to evaluate the expression without using a calculator 1 2 CSC a What is the measure of the half angle CSC 2 Type an exact answer in terms of Use integers or fractions for any numbers in the expression b What is the measure of angle a X Type an exact answer in terms of Use integers or fractions for any numbers in the expression Show Transcribed Text c The terminal side of the half angle lies in Quadrant d Is the cosecant function and sine function positive or negative in this quadrant The cosecant function and sine function are in this quadrant 3 Use a half angle formula to evaluate the expression without using a calculator 17x 12 The half angle formula e Which half angle formula should be used to evaluate the expression csc 17 12 should be used to evaluate the expression csc 178 17x 12 Submit test