CPM CPM CPM Solve cach equation for 0 5 0

solve each equation for o s O < 2,t. (Usc a IS) cos O 4cos +3 A) tol E) B) No solution. Simplify. (Use thc Product-to-Sum Formulas) 17) cos 2580cos 570 sin 2580sin 570 D) Find the exact value of each. (Using Double-Angle Formulas) 19) tan Find tan 20 E) 3Vi where 90 O < 180 B) -3Vi CPM Solve each equation ror O S O < 2Tt. (Use a sum-to-product identity) 16) O = cos 6x cos 8x nn A) 12 It ltn 14 7 Ttn Write each sum or difference as a product with positive arguments. (Use thc Sum-to-Product Formulas) 18) sin 60 sin 120 A) 2cos 90sin 30 B) -2cos 30sin 90 C) 2sin 30sin 90 D) 2sin 90cos 30 E) 2sin 30cos 90 Use the half-angle identities to find the exact value of each. (Using a Half Angle Formula) 20) cos 2850 E)