Trig Review

How many radians is 250 degrees?

• 4π/3

• 25π/18

• 5π/6

• 50π/9

Which diagram shows ^3π/₄ ?

• 
• 
• 
• 

Given the ordered pair (-¹/₂ , ^√3/₂), what is the value of cosine?

• √3

• ^-1/₂

• ^√3/₂

• ^√3/₃

On the unit circle, which radian measure represents the point (^√3/₂ , -¹/₂)

• ^11π/₆

• ^5π/₃

• ^7π/₆

• ^4π/₃

How many radians is 216°?

• ^12π/₅

• ^6π/₅

• ^5π/₆

• ^5π/₉

Which trig functions are positive in the 3rd quadrant?

• Sine

• Cosine

• Tangent

• Cosecant

• Cotangent

Which of the following are true if

tan Θ = √3 and lies in the first quadrant?

• sin Θ = ^√3/₂

• sin Θ = ¹/₂

• cos Θ = ^√3/₂

• cos Θ = ¹/₂

• sec Θ = 2

Angle Θ is in Quadrant III with

sin Θ = -³/₅. What is tan Θ?

• -¾

• -⅗

• ¾

• ⅘

Find the exact value of the trig function tan ^7π/₆

• ^√3/₃

• √3

• -^√3/₃

• ^√3/₂

Solve the following for cos²θ:
sin²θ + cos²θ = 1

• cos²θ = 1 - sin²θ
• cosθ = 1 + sin²θ
• cosθ = 1 - sinθ
• cos²θ = Adj/hyp