Review of Trig

How many radians is 250 degrees?

• 4π/3

• 25π/18

• 5π/6

• 50π/9

Which diagram shows ^3π/₄ ?

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

• √3

• ^-1/₂

• ^√3/₂

• ^√3/₃

Which trig functions are positive in the 3rd quadrant?

• Sine

• Cosine

• Tangent

• Cosecant

• Cotangent

Angle Θ is in Quadrant III with

sin Θ = -³/₅. What is tan Θ?

• -¾

• -⅗

• ¾

• ⅘

Find the ratio for sinA. (Reduce the fraction)

• 36/27
• 4/5
• 36/45
• 3/5

sin π/4

• √2∕2
• 1/2
• √3/2
• 0

What is the exact coordinates of  3π/4 on the unit circle?

• (−√2∕2, √2∕2)
• (−√2∕2, −√2∕2)
• (−√3∕2, −√2∕2)
• (√2∕2, −√2∕2)

Identify the Positive angle in both radians and degrees that represent point I.

Name the angle indicated by the graph in both radians and degrees.