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Coterminal Angles
Reference Angles
Unit Circle
Trig. Functions On the Unit Circle (no calculators)
Degrees and Radians
100
This angle has a positive coterminal angle at 390 degrees and negative coterminal angle at -330 degrees.
What is 30 degrees
100
My initial angle is in standard position, while my terminal side lies on 330 degrees.
What is 30 degrees?
100
The amount of degrees and radians in one rotation of the unit circle.
What is 360 degrees and 2pi radians?
100
The sin(90).
What is 1?
100
30 degrees to radians
What is pi/6 radians?
200
This angle has a positive coterminal angle at 210 degrees and a negative coterminal angle at -870 degrees.
What is -150 degrees?
200
My initial side is in standard position, while my terminal side is at -5pi/4.
What is pi/4?
200
The way we are able to create the first quadrant of the unit circle.
What are 30-60-90 triangles and the 45-45-90 triangle?
200
The cos(210)
What is -sqrt(3)/2
200
11pi/6 radians to degrees
What is 330 degrees?
300
The positive coterminal angle for this angle is 11pi/4
What is 3pi/4
300
the reference angle for 1000 degrees where the initial side is in standard position.
What is 80 degrees
300
The trigonometric functions that correspond to the (x, y) of an ordered pair.
What are cos-x and sin-y
300
The tan(45).
What is 1?
300
128 degrees to radians
What is 32pi/45
400
The negative coterminal angle for this angle is -32pi/6
What is -4pi/3
400
the reference angle for 40pi/3 radians.
What is pi/3 radians = 60 degrees
400
Regardless of positive or negative, the three different numbers we will find in quadrants 1,2,3 and 4 for values of x or y.
What are sqrt(3)/2, sqrt(2)/2, 1/2
400
The csc(30)
What is 2?
400
1 degree to radians in decimal form.
What is 0.01745329252 radians
500
This angle has a positive coterminal angle of 13pi/6 and a negative coterminal angle of -390 degrees. (give in both radians and degrees.)
What is pi/6 or 30 degrees?
500
The reference angle for -8103 degrees
What is 3 degrees?
500
The value for tan(30) tan(45) and tan(60)
What are sqrt(3)/3, 1, and sqrt(3)
500
the sec(30)
What is 2sqrt(3)/3
500
32pi/4 radians to degrees
What is 1440 degrees?