Question 6 0/1 pt * 100 # 99 0 Details Write the product as a sum: 14 cos (50b) sin(11b) = Question Help: Message instructor O Post to forum Submit Question Question 7 6 0/1 pt O 100 99 0 Details Write the product as a sum: 8 sin (7 2) sin (6z) = Question Help: ) Message instructor D Post to forum Submit Question Question 8 0/1 pt O 100 99 0 Details Write the product as a sum: 6 cos(18y) cos(by) = Question Help: Message instructor O Post to forum Submit Question Question 9 0/1 pt O 100 99 0 Details Write the sum as a product: sin (20.6w) + sin(12.8w) = For your answer, be sure to write all number in decimal format and not in fractional form. For example, 135 enter 2 as 67.5, Question Help: Message instructor O Post to forum Submit Question Question 10 0/1 pt ) 100 99 0 Details Write the sum as a product: cos (18.4z) - cos(5.2=) = For your answer, be sure to write all number in decimal format and not in fractional form. For example, 135 enter as 67.5, 2