PreCalc - 5.3-5.4 Review
(√6 +√2)/4
Find the exact value of cos 15°
(√6 - √2)/4
Find the exact value of sin 165°
cos(3m)
Simplify cos(5m)cos(2m) + sin(5m)sin(2m)
cos (7m)
Simplify cos(5m)cos(2m) - sin(5m)sin(2m)
√3/2
Simplify sin 50 cos 10 + sin 10 cos 50
π/6, 11π/6
Solve 0 ≤x ≤ 2π: 2cosx- √3 = 0
π/2, π/6, 5π/6, 3π/2
Solve 0 ≤x ≤ 2π: cosx = 2sinx cosx
0
Solve for 0 < x < 2π : 4 cosx - 3 = 1
π/2, 3π/2
Solve for 0 < x < 2π : csc²x - 1 = 0
π/2
Solve for 0 < x < 2π : sin x -1 = 0
0,π
Solve for 0 < x < 2π : sinxcosx - 3sinx = 0
2π/3, 5π/3
Solve for 0 < x < 2π :√3 cot x + 1 = 0
5π/6 , 7π/6
Solve for 0 < x < 2π: 2cosx +√3 = 0
o, 2π/3, 4π/3, 2π
Solve for 0 ≤x ≤ 2π : 2cos²x-cosx = 1
π/4, 3π/4,5π/4, 7π/4
Solve for 0 ≤x ≤ 2π : 4 cos²x -2 = 0
3π/4, 7π/4
Solve for 0 ≤x ≤ 2π: tanx + 1 = 0