Week 26: The Sum, Difference, Double-Angle, Half-Angle, and Power-Reducing Formulas Question 1 of 20 (5 points) 6 Back Identify ALL correct usages of the sum and difference formula for sine, cosine and tangent of 105. sin 105 = C] sin 60 cos 45 cos 60 sin 45 C] sin 75 cos 30 + cos 75 sin 30 C] cos 75 cos 30 sin 75 sin 30 C] sin 150 cos 45 + cos 150 sin 45 C] sin 60 cos 45 + cos 60 sin 45 C] sin 150 cos 45 cos 150 sin 45" cos 1050 = DECIDED sin 135 cos 30 cos 135 sin 30 cos 150 cos 45 + sin 150 sin 45 cos 150 cos 45 sin 150 sin 45 cos 60 cos 45 sin 60 sin 45 cos 135 cos 30 + sin 135 sin 30 cos 60 cos 45 + sin 60 sin 45 tan 105 = tan 60 + tan 45 D ltan 60 tan 45 D tan 75 tan 30 1+tan 75 tan 30 D tan 150 tan 45 1tan 150 tan45 D tan 150 + tan 45 ltan 150 tan 45 D tan 150 tan 45 _1+tan 150 tan45 D tan 150 + tan 45 1+tan 150 tan 45 Question 2 Question 2 of 20 (5 points) Back Identify ALL correct usages of the sum and difference formula for sine, cosine and tangent of ISit 12 sin 13x 12 O cos 47 cos - sin 4x sin 3 4 3 4 sin 4it cos I + COS 41 sin 5 4 5 4 COS cos 3 + sin sin 4 4 sin 41 COS - COS sin 5 4 5 4 O sin 41 cos - COS 41 sin 3 4 3 O sin 31 COS + COS 31 sin w / y 4 4COS = 12 0 COS 3 cos + sin sin 4 3 0 COS 31 cos - sin sin 4 4 O COS 31 COS + sin 3nt sin 4 3 4 4 It 4 TT COS COs - sin sin 3 4 3 0 COS cos - sin sin 3 4 3 0 4 JC COS COS + sin sin 3 4 3tan = 12 tan 31 + tan 4 0 1- tan 31 tan W y 4 tan 41 + tan 5 0 1- tan 4/ tan 5 tan 41 - tan TC 3 4 0 1+ tan An tan 3 tan tan 3 0 1+ tan 5 It tan 3 tan 31 - tan 4 1+ tan 31 tan 4 tan 41 + tan 3 O 1- tan 41 tan 3Question 13 of 20 (5 points) Bad Use the figure to find the exact value of the trigonometric functions. 2 6sin 20 = M csc 20 = cos 20 = sec 20 = tan 20 = cot 20 =