Trig functions Flashcards
0
Q
Cosine
A
Adjacent/hypotenuse
1
Q
Sine
A
Opposite/hypotenuse
2
Q
Tangent
A
Opposite/adjacent
Sin/cos
3
Q
Cosecant
A
Hypotenuse/opposite
Reciprocal of sine
4
Q
Secant
A
Hypotenuse/adjacent
Reciprocal of cosine
5
Q
Cotangent
A
Adjacent/opposite
Reciprocal of tangent
6
Q
Sin0°
A
0
7
Q
Cos0°
A
1
8
Q
Tan0°
A
0
9
Q
Sin30°
A
1/2
Reciprocal of csc30°, 2
(Cos60°)
10
Q
Cos30°
A
√3/2
11
Q
Tan30°
A
√3/3
12
Q
Csc30°
A
2
Recip sin30, 1/2
13
Q
Sec30°
A
2√3/3
Or 2/√3, the recip of cos30, √3/2
14
Q
Cot30
A
√3
Recip tan30, √3/3
(tan60)
