Precalculus Trigonometric Equations

Solve over the interval [0, 2π]: sin²x - 4sinx + 2 = -1

• π

• π/2

• 3π/2

• No real solution

Tags

CCSS.HSF.TF.B.7

Find the solution over the interval [0, 2π) of cosxsinx + cosx = 0

• No real solutions

• 0, π

• π/2, 3π/2

• π/2

Tags

CCSS.HSF.TF.B.7

• -π/3
• 4π/3
• -2π/3
• 2π/3

Tags

CCSS.HSF.TF.B.7

• 0
• π/2
• 2π
• 3π

Tags

CCSS.HSF.TF.B.7

Q1. What is the angle in radians for 135 degrees?

• A) 3π/4

• B) π/4

• C) 5π/4

• D) -3π/4

Tags

CCSS.HSF.TF.B.7

• π/6
• 5π/6
• 7π/6
• 2π

Tags

CCSS.HSF.TF.B.7

• π/2
• π
• 3π/2
• -3π/2

Tags

CCSS.HSF.TF.B.7

Solve for all values of x over the interval [0,2π]

Tags

CCSS.HSF.TF.B.7

• A
• B
• C
• D

Tags

CCSS.HSF.TF.B.7

Which equation shows how you would use the law of sines to find angle A?

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11