Angles
Unit Circle
Not Exactly
Inverse Trig Functions
To Big To Small
100
Find the complement of 20 degrees
What is 70 degrees
100

cos 135

What is -sqrt(2)/2
100
The ray passes through (-3, 2).

Determine the sine of the angle

What is 2/sqrt 13
100
sin-1(-1)
What is -pi/2
100
sin 390
What is 1/2
200
Find the supplement of pi/6
What is 5pi/6
200
sin -pi/2
What is -1
200
sin x = -5/13.   Determine cos x = 
What is 12/13
200
Arccos sqrt(2)/2
What is pi/4
200
tan -675
What is 1
300
Convert 5pi/9 into degrees
What is 100 degrees
300
tan pi/6
What is sqrt(3)/3
300
In what quadrant is 

sin x > 0 and cot x < 0

What is quadrant 2
300
Arcsin(sin pi/6)
What is pi/6
300
cos 22pi/3
What is - 1/2
400

Find one positive and one negative coterminal angle for 2pi/3

What is positive: 8pi/3 negative: -4pi/3

400
csc 5pi/3
What is -2sqrt(3)/3
400
sin (arcsec 5/2 )
What is sqrt21 / 5
400
tan(arctan -7)
What is -7
400
cot 19pi/2
What is 0
500
Convert to decimal notation

30degrees 24' 50''

(Calc allowed)

What is 30.4138
500
cot pi
What is undefined
500
cos (arctan x/3)
What is 3 / sqrt (x2+9)
500
tan(arccos 2/3)
What is sqrt(5)/2
500
csc -930
What is 2
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