Which equation can be used to find many more points Harold friend need to score p in order to tie Harold A. 4p=8

B.8p=4

C.4+p=8

D.8+p=4

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