PreCal Unit 9: Solving Trig Equations
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x = 30°, 150°
Solve 2sinx - 1 = 0 where 0 ≤ x < 360
x = 0
Solve 2 cos x = 3 cos x - 1 where 0 ≤ x < 360
x = 90°, 270°
Solve 2sin²x-2=0 where 0≤ x < 360
x = π/2, 3π/2
Solve 3cosx=0 where 0 ≤ x < 2π
x= π/3, 2π/3, 4π/3, 5π/3
Solve 3tan²x - 9 = 0 where 0 ≤ x < 2π
x= π/6, 11π/6
Solve cos x = √3/2 where 0 ≤ x < 2π
x=135°, 315°
Solve sinx = - cosx where 0 ≤ x < 360