Converting
Quadrants
Exact Value
100

Convert 45to radians

pi/4

100

In which quadrant is the terminal side of 150o?

Quadrant II

100

What is the exact value of cos(135o)?

-sqrt(2) / 2

200

Convert 3pi/4 to degrees

135o

200

In which quadrant is the terminal side of 7pi/4?

Quadrant IV

200

What is the exact value of sin(4pi/3)?

-sqrt(3)/2

300

Convert 3pi/10 to degrees

54o

300

In which quadrant is the terminal side of 165o?

Quadrant II

300

What is the exact value of tan(pi/4)?

1

400

Convert 310o to radians.

31pi/18

400

In which two quadrants will cosine be positive?

Quadrants I and IV

400

Identify the two values of θ such that cos(θ) = 1/2. Answer in degrees.

60o and 300o

500

Convert -70o to radians.

-7pi/18

500

In which two quadrants will tangent be negative?

Quadrants II and IV

500

Identify the two values of θ such that sin(θ) = -1/2. Answer in radians.

7pi/6 and 11pi/6

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