DC PRECAL - Exam 1 Review

Convert 510^o to Radians

• 25π / 3

• 23π / 8

• 17π / 6

• 51π / 8

Convert 100⁰ to radians

Convert to degrees: 11π/6

• 300°
• 315°
• 330°
• 350°

What are the negative and positive coterminal angles of -225 degrees?

• 375°, -600°
• 125°, -356°
• 135°, -585°
• 60°, -120°

Simplify the trig expression.

• tanx
• -cosx
• sinx
• cosx

Simplify the trig expression.

• 1
• -1
• cotx
• cosx

What is the period of the equation shown?

• 3π

• 2π

• 3π / 2

• 2π / 3

What is the equation of the graph shown?

• y = 2sin(θ + π/2) + 2

• y = 2cos(θ - π/2) + 2

• y = 2sin(θ - π/2) + 2

• y = 2cos(θ + π/2) + 2

What is the equation of the graph shown?

• y = 3sin(θ + π/4) - 1

• y = 3cos(θ - π/4) -1

• y = 3sin(θ - π/4) + 1

• y = 3cos(θ + π/4) + 1