Which of the following relations has a range of {1, -4}? A {(3, 1), (2. -4)}

B {(1, 3), (-4,2), (-4,4)}

C None of the other answers are correct

D {(1, 3), (-4, 2))

E (3, 1), (2.-4), (1,3)}

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