Solving Trig Equations Practice

Solve for 0≤x≤2π (Select ALL solutions)

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 (Select ALL solutions)

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≤2πv(Select ALL solutions)

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 (Select ALL solutions)

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

tanx = 1

• 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

Solve for 0≤x≤2π (Select ALL solutions)

2cos²x = cosx + 1

• 2π/3, 4π/3

• π/3, 2π/3

• 0, 2π

• π

Tags

CCSS.HSF.TF.B.7

Solve for 0≤x≤2π (Select ALL solutions)

2cos²x + 3cosx = -1

• 0, 2π

• π

• 2π/3, 4π/3

• π/3, 5π/3

Tags

CCSS.HSF.TF.B.7

Solve [0,2π] 4cos²x - 7cosx - 2 = 0

• 1.82, 4.46

• 1.23, 3.87

• 2.07, 5.73

• no solution

Tags

CCSS.HSF.TF.B.7