Trigonometry - Solving Basic Trig Equations by Factoring

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θ=π/4, 3π/4

Solve (cosθ+2)(cscθ-√2)=0 where 0 ≤ θ < 2π

x = 45,120,225,300

Solve (cotx-1)(√3cotx+1)=0 where 0 ≤ x < 360

x= π/6, π/4, 7π/6, 5π/4

Solve (tanx-1)(√3tanx-1)=0 where 0 ≤ x < 2π

x=30,90,270, 330

Solve 2cos²x-√3cosx = 0 where 0 ≤ x < 360

x = 180,210,330

Solve 2sin²x+3sinx + 1 = 0 where 0 ≤ x < 360

x=0,30,150,180,210, 330

Solve 3tan³x-tanx =0 where 0 ≤ x < 360

x= π/3, 2π/3,4π/3,5π/3

Solve 4cos²x -1= 0 where 0 ≤ x < 2π

x = π

Solve cos²x +2cosx+1 = 0 where 0 ≤ x < 2π

x=45,90,135,225,270, 315

Solve cotxsec²x=2cotx where 0 ≤ x < 360

x = π/6,π/2, 5π/6,3π/2

Solve cscxcosx=2cosx

x=3π/2

Solve sin²x+3sinx+2=0 where 0 ≤ x < 2π

x = 90, 270

Solve sin²xcosx=cosx where 0≤ x < 360


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