Q 3 5 7 8 9

Section 6.2 2) Page 432, Q. 34 [4 marks] 3) Find the solutions of the equation 4 cos x -4 = -1 that are in the interval [0,2n). [4 marks] 4) Page 433, Q. 50 [5 marks] Section 6.3 5) Find the exact values of tan () and sin 12 The final answer should not have radicals in the denominator. [5 marks] 6) Page 444, Q. 20 [6 marks] 7) Verify the identity tan (x - ") = tan x-v3 3 tan x+1' [4 marks] Section 6.4 8) Find the exact values of sin(20), cos(20), and tan(20) when sin 0 = - -- a 180'