Solving Trigonometric Equations

Solve for 0≤x≤2π (choose all that apply)

2cos²x + cosx = 0

• π/2, 3π/2

• 0, π,2π

• 2π/3, 4π/3

• π/3, 5π/3

Tags

CCSS.HSF.TF.B.7

Solve for 0≤x≤2π (choose all that apply)

4cos²x - 2 = 0

• π/3, 5π/3

• π/4, 7π/4

• 3π/4, 5π/4

• π/6, 11π/6

Tags

CCSS.HSF.TF.B.7

Solve for 0≤x≤2π (choose all that apply)

sinxtanx = sinx

• π/2, 3π/2

• 3π/4, 7π/4

• 0, π, 2π

• π/4, 5π/4

Tags

CCSS.HSF.TF.B.7

Solve for 0≤x≤2π

2sin²x - 5sinx + 2 = 0

• π/6, 5π/6

• 7π/6, 11π/6

• π/3, 2π/3

• 4π/3, 5π/3

Tags

CCSS.HSF.TF.B.7

Solve for 0≤x≤2π (choose all that apply)

(cotx - √3) (cscx + 2)=0

• π/6

• 5π/6

• 7π/6

• 11π/6

Tags

CCSS.HSF.TF.B.7

Solve for 0≤x≤2π (choose all that apply)

2sin²x - sinx = 0

• 0, π, 2π

• π/2, 3π/2

• π/6, 5π/6

• π/3, 2π/3

Tags

CCSS.HSF.TF.B.7

Solve for 0≤x≤2π

sinx = cosx

• π/2, π

• π/4, 3π/4

• π/4, 5π/4

• 3π/4, 7π/4

Tags

CCSS.HSF.TF.B.7

Solve for 0≤x≤2π

3sin²x + sinx - 4 = 0

• 0, π

• π/2

• π/6, 5π/6

• 3π/2

Tags

CCSS.HSF.TF.B.7

Which of the following is NOT

a solution to

tan θ = 0 ?

• θ = 0

• θ = π /2

• θ = π

• θ = 2π

Tags

CCSS.HSF.TF.B.7