Common Trig Functions Flashcards
csc 360°
undefined
cos 360°
1
csc 60°
(2*√3)/3
csc 90°
1
Cosecant in Quadrant I
Positive
Cosecant in Quadrant IV
Negative
cos 270°
0
cos 30°
√3/2
csc 30°
2
cos 180°
-1
csc 180°
0
csc 45°
√2
cos 45°
√2/2
cos 60°
1/2
cos 90°
0
Cosine in Quadrant II
Negative
Cosine in Quadrant III
Negative
Cosine in Quadrant IV
Positive
Cosine Quadrant I
Positive
cot 180°
undefined
cot 270°
0
cot 30°
√3
cot 360°
undefined
cot 45°
1
cot 60°
√3/3
cot 90°
0
Cotangent in Quadrant I
Positive
Cosecant in Quadrant II
Positive
Cotangent in Quadrant II
Negative
Cotangent in Quadrant III
Positive
Cotangent in Quadrant IV
Negative
sec 180°
-1
sec 270°
undefined
sec 30°
(2*√3)/3
sec 360°
1
sec 45°
√2
sec 60°
2
sec 90°
undefined
Secant Quadrant I
Positive
Secant in Quadrant II
Negative
Secant in Quadrant IV
Positive
Cosecant in Quadrant III
Negative
sin 180°
0
sin 270°
-1
tan 270°
undefined
sin 30°
1/2
tan 30°
(√3)/3
sin 360°
0
sin 45°
√2/2
tan 45°
1
sin 60°
(√3)/2
tan 60°
√3
sin 90°
1
tan 90°
undefined
sin in Quadrant I
Positive
sin in Quadrant II
Positive
sin in Quadrant III
Negative
sin in Quadrant IV
Negative
Secant in Quadrant III
Negative
tan 180°
undefined
tan 360°
0
Tangent in Quadrant I
Positive
Tangent in Quadrant II
Negative
Tangent in Quadrant III
Positive
Tangent in Quadrant IV
Negative
csc 270°
-1
π
180°
π/2
90°
π/3
60°
π/4
45°
π/6
30°
2π
360°