A can of tomato juice has a diameter of 14 cm and a height of 20 cm. What is the volume? Round to the nearest hundredths

A ice cream cone has a diameter of 2 in and a height of 6 in. How much ice cream and the cone hold?
Round to nearest hundredths

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