Studied by 4 people
sin45°
(sqr.2)/2
cos45°
(sqr.2)/2
tan45°
1
sin30°
1/2
cos30°
(sqr.3)/2
tan30°
(sqr.3)/3
sin60°
(sqr.3)/2
cos60°
1/2
tan60°
sqr.3
csc45°
sqr.2
sec45°
sqr.2
cot45°
1
csc30°
2
sec30°
(2 sqr.3)/3
cot30°
sqr.3
csc60°
(2 sqr.3)/3
sec60°
2
cot60°
(sqr.3)/3
Coordinates of 90°
(0,1)
Coordinates of 180°
(-1,0)
Coordinates of 270°
(0,-1)
Coordinates of 360°
(1,0)
90° in radians
pi/2
60° in radians
pi/3
45° in radians
pi/4
30° in radians
pi/6
180° in radians
pi
In quadrant 1
All values are positive
In quadrant 2
Only sin (y) is positive
In quadrant 3
Only tan (y/x) is positive
In quadrant 4
Only cos (x) is positive
Quadrant 1 spans
0° to 90°
Quadrant 2 spans
90° to 180°
Quadrant 3 spans
180° to 270°
Quadrant 4 spans
270° to 360°
Absolute value of 60° coordinates
(1/2, (sqr.3)/2)
Absolute value of 45° coordinates
((sqr.2)/2, (sqr.2)/2)
Absolute value of 30° coordinates
((sqr.3)/2, 1/2)
