Anthony tedesco sold his used mountain bike and accessories for $128. If he received 3 times as much money for the bike as he did for the accessories, find how much money he received for the bike.

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