Reflection

Some Trig Stuff...

The Unit Circle

90 degrees, (0,1), pi/2

180 degrees, (-1,0), pi

270 degrees, (0,-1), 3pi/2

360 degrees, (1,0), 2pi


6 Trig Functions

sin = y/r

cos = x/r

tan = y/x

csc = r/y

sec = r/x

cot = x/y


Degrees & Radians

Degrees to radians= Degree * pi/180

Radians to degrees= Radians * 180/pi