Unit Circle Review

Tan & Cot

100

tan 180

-1

200

tan 0

0

300

cot 0

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400

tan of 5(pi)/3

sqrt(3)

500

cot of pi/3

sqrt(3)/3

Cos & Sec

100

cos 45

sqrt(2)/2

200

cos 120

-1/2

300

Cos 330

sqrt(3)/2

400

Sec of pi

-1

500

Sec 120

-2

Sin & Csc

100

sin of pi

0

200

sin 90⁰

1

300

sin 300⁰

- sqrt(3)/2

400

csc 210⁰

-2

500

csc of pi/3

2(sqrt(3))/3

Radians

100

The conversion from this radian measure to degrees is 180 degrees.

What is pi/6.

200

The conversion from this radian measure to degrees is 90 degrees.

What is pi/2.

300

The conversion from this radian measure to degrees is 135 degrees.

What is 3*pi/4.

400

The conversion from this radian measure to degrees is 330 degrees.

What is 11*pi/6.

500

The conversion from this radian measure to degrees is 390 degrees.

What is 13*pi/6.

Variety

100

If we know what tan is, how do we use that to find cot?

What is 19.32 ft?

200

If we know what cos is, how do we use that to find sec?

Reciprocal

300

If we know what sin is, how can use that to find csc?

Reciprocal

400

How do we find tan on the unit circle?

y/x

500

How do we write sin and cos as an ordered pair when finding them on the unit circle? Hint: (____,____)

(sin, cos)