(40 POINTS) HELP PLEASE Questions :

(4a) Write a multiplication equation AND a division equation to represent this statement. "There are 12 fourths in 3.".

(4b) Write a multiplication equation and a division equation to represent this diagram.

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