Trigonometry - Solving Trig Equations

x = 30, 150

Solve 2sinx - 1 = 0 where 0 ≤ x < 360

x = 90, 210, 330

Solve 2sin²x - sin x - 1 = 0 where 0 ≤ x < 360 (hint: factor)

x = π/2, 3π/2

Solve 3cosx=0 where 0 ≤ x < 2π

x = 0, 180

Solve cos(2x)-1=0 where 0 ≤ x < 360

x = 90,270,45,225

Solve cosxtanx-cosx=0 where 0 ≤ x < 360

x= pi/3, 2pi/3, 4pi/3, 5pi/3

Solve 3tan²x - 9 = 0 where 0 ≤ x < 2pi

x= π/6, 11π/6

Solve cos x = √3/2 where 0 ≤ x < 2π

x = 120, 300, 150, 330

Solve sin 2x = -√3/2 where 0 ≤ x < 360

x = 0, 90, 180

Solve sin²x - sinx = 0 where 0≤ x <360 (Hint: factor)

x = no solution

Solve 2 cos x - 5 = 3 cos x - 2 where 0 ≤ x < 360

x = 90, 270

Solve 2sin²x-2=0 where 0≤ x < 360

x=0, 60, 180, 300, 360

Solve sinx - 2sinxcosx = 0 where 0 ≤ x < 360 (hint: factor)