| Parts of a triangle | Quadrants | Convert to radians or degrees | Reference Angles |
|---|---|---|---|
|
What is r?
Hypotenuse
|
What is Quadrant 1
sin + cos + tan +
|
What is 180 degrees
pi
|
What is 7 degrees?
713 degrees
|
|
What is x?
adjacent
|
Where is cosine positive?
Quadrant IV
|
What is 2pi?
360 degrees
|
What is pi/3?
5pi/3
|
|
What is y?
opposite
|
What is is quadrant III?
-r/y & y/x
|
What is 210 degrees?
7pi/6
|
|
|
What is sin?
y/r
|
What are quadrant II & III
-x/r
|
What is 3285 degrees?
73pi/4
|
|
|
What is r?
=sqrt(x^2+y^2)
|
What is quadrant II?
csc > 0 and tan < 0
|
What is -612 degrees?
-17pi/5
|
|
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