Answer: cos⁸x + sin⁸x = 97/128
Answer: cos(x/3) = 0.3827
Answer: sin(x + y) = 1/2
Answer: x = 18°
Answer: x = 45
Answer: √2 + √3 + √6
Answer: The values of x = 36.87° and 53.13° to 2 d.p
Answer: x = 0° , 60° , 300° and 360°
Answer: 63.43°
Answer: x = 14°
Answer: 0.5 (B)
Answer: |AC| = 9.42km and the bearing of A from C is 278.58° (All to 2 d.p)
Answer: |CG| = 1051.118m and the bearing of C from G is 262.95°
Answer: x = 20(1 +√3)
Answer: (i) see the solution , (ii) solution and (iii) tan 15° = 0.26795
Answer: -√3 (A)
Answer: (a) θ = 15° and (b) see solution.
Answer: The values of Solve θ = 90° , 270° , 210° and 330°
Answer: cosθ
Answer: -(2 + √3) (b)
Answer: 2π/3 (b)
Answer: (i) see the solution and (ii) θ = 30.96°
Answer: -1/5 (B)
Answer: 1 (A)
Answer: (B)
Answer: (B)
Answer: 3/√2 (D)
Answer: 1 (A)
Answer: (i) see the solution, (ii) (a) 12/13 and (b) 119/169 (iii) x = 60°
Answer: (a) (i) 1.7071 and (ii) see the solution (b) θ = 0°, 30°, 150° or 180°
Answer: π (D)
Answer: 3/4 (J)
Answer: -21/29 (H)
Answer: (A)