Trigonometry - Solving Trig Equations

x = 90, 270

Solve cosx=0 where 0 ≤ x < 360

x = no solution

Solve cos x = 5 where 0 ≤ x < 360

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= 30, 330

Solve cos x = √3/2 where 0 ≤ x < 360

x = 90,270,45,225

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

x=0, 60, 180, 300, 360

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

x = 0, 90, 180

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