Solving Trigonometric Equations final day

Solve for 0≤x≤2π

2cos²x + cosx = 0

• π/2, 3π/2

• 0, π,2π

• 2π/3, 4π/3

• π/3, 5π/3

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

Solve for 0≤x≤2π

4cos²x - 2 = 0

• π/3, 5π/3

• π/4, 7π/4

• 3π/4, 5π/4

• π/6, 11π/6

Tags

CCSS.HSA.REI.B.4

CCSS.HSF.TF.B.7

Solve for 0≤x≤2π

sinxtanx = sinx

• π/2, 3π/2

• 3π/4, 7π/4

• 0, π, 2π

• π/4, 5π/4

Tags

CCSS.HSA.REI.A.1

CCSS.HSF.TF.A.2

CCSS.HSF.TF.A.3

CCSS.HSF.TF.A.4

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.HSA.CED.A.1

CCSS.HSA.REI.B.4

Solve for 0≤x≤2π

2sin²x - sinx = 0

• 0, π, 2π

• π/2, 3π/2

• π/6, 5π/6

• π/3, 2π/3

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.4

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.A.3

CCSS.HSF.TF.A.4

Solve for 0≤x≤2π

3sin²x + sinx - 4 = 0

• 0, π

• π/2

• π/6, 5π/6

• 3π/2

Tags

CCSS.HSA.APR.B.3

CCSS.HSA.REI.B.4

CCSS.HSF.TF.B.7

Solve for 0≤x≤2π

2cos²x = cosx + 1

• 2π/3, 4π/3

• π/3, 2π/3

• 0, 2π

• π

Tags

CCSS.HSA.REI.B.4

CCSS.HSF.TF.B.7

Solve for 0≤x≤2π

2cos²x + 3cosx = -1

• 0, 2π

• π

• 2π/3, 4π/3

• π/3, 5π/3

Tags

CCSS.HSA.REI.B.4

Solve for 0≤x≤2π

tan²x - 9 = 0

• 1.25, 4.39

• 0.78, 3.27

• 1.89, 5.03

• π/3, 5π/3

Tags

CCSS.HSA.REI.B.4

CCSS.HSF.TF.B.7