The reference angle for 105o
What is 75o?
270o in radians
What is
(3pi)/2 ?
sin 45o
What is
sqrt2/2 ?
sin 2pi
What is 0?
The quadrant(s) where sin is positive
What are Quad. 1 and 2 ?
The reference angle for 345o
What is 15o?
pi/2
in degrees
What is 90o?
cos 240o
What is
-1/2 ?
cos (pi/3)
What is
1/2?
The quadrant(s) where cos is negative?
What are Quad. 2 and 3 ?
The reference angle for
(2pi)/3
What is 60o or
pi/3 ?
pi/6
in degrees
What is 30o?
csc 330o
What is -2 ?
csc ((5pi)/6)
What is 2 ?
The quadrant(s) where tan is positive?
What are Quad. 1 and 3 ?
The reference angle for -150o
What is 30o?
240o in radians
What is
(4pi)/3
sec 270o
What is undefined ?
tan pi
What is 0 ?
A tangent value that equals zero. (in degrees)
What is tan 0o, tan 180o, 360o, ... ?
The reference angle for
-(7pi)/4
What is 45o or
pi/4
345o in radians
What is
(23pi)/12
tan 120o
What is
-sqrt3
cot ((7pi)/4)
What is -1 ?
A csc value that is undefined. (in degrees)
What is csc 0o, 180o, 360o, ... ?