Trigonometry Flashcards
1
Q
SOH CAH TOA
A
sin = Opposite/Hypotenuse cos = Adjacent/Hypotenuse tan = Opposite/Adjacent
2
Q
Inverse functions of sin, cos, tan
A
Arcsin, arccos, arctan
3
Q
sin(30)
A
1/2
4
Q
cos(30)
A
\3/2
5
Q
tan(30)
A
1 / \3
6
Q
cos(45)
A
1 / sqrt(2)
7
Q
sin(45)
A
1/ sqrt(2)
8
Q
tan(45)
A
1
9
Q
cos(60)
A
1/2
10
Q
sin(60)
A
sqrt(3)/2
11
Q
tan(60)
A
sqrt(3)
12
Q
sin^2a+cos^2a=?
A
1
13
Q
Cosecant is the
A
Hypotenuse/opposite
Or 1/sin
14
Q
Secant is
A
Hypotenuse/adjacent
Or
1/cos
15
Q
Cotangent is
A
Adjacent/opposite
Or 1/tan
