Select the correct answer. Y
-10
10
What is the range of the function shown on the graph above?
OA. -9 Sys8
OB. -7 Sys-2
OC -8 Sy S8
OD-2 Sy 3-7

Which sum or difference identity would you use to verify that cos (180° - q) = -cos q? a.) sin (a -b) = sin a cos b – cos a sin b b.) cos (a -b) = cos a cos b – sin a sin b c.) cos (a -b) = cos a cosb + sin a sin b d.) sin (a + b) = sin a cos b + cos a sin b