Find Reference Angle
What is the reference angle for 80 degrees?
80 degrees
How many degrees is pi radians?
180 degrees
If x = sqrt 13 and y = sqrt 12 then r= ??
r=5
Find a positive coterminal angle for 135 degrees.
What quadrant is 75 degrees in?
Quadrant I
What is the reference angle for 210 degrees?
30 degrees
How many degrees is 5pi/6 radians?
150 degrees
If I have cosine and I flip that fraction over, now what do I have?
Secant
Find a NEGATIVE coterminal angle for -80 degrees
-440 degrees
Quadrant IV
What is the reference angle for -645 degrees?
75 degrees
How many degrees is 15pi/4 radians?
675 degrees
Find the sine ratio created by the point (10, 15)
15/ sqrt/325
Find a NEGATIVE coterminal angle for 590 degrees
-130 degrees
What quadrant is -590 degrees in?
Quadrant II
What is the reference angle for 3pi/4 radians?
pi/4 radians
How many radians is 340 degrees?
17pi/9 radians
Find the secant ratio created by the point (24, -10)
Find a positive coterminal angle for 5pi/6
17pi/6
What quadrant is 7pi/8 in?
Quadrant II
What is the reference angle for 12pi/7 degrees?
2pi/7 radians
How many radians is -800 degrees?
-20pi/9 radians
If the secant ratio of a point is 25/7 and the point is in quadrant IV, then what is the cosecant ratio?
25/-24
Find a NEGATIVE coterminal angle for 5pi/3
-pi/3
What quadrant is 30pi/9 in?
Quadrant III