trig functions Flashcards
1
Q
Sin theta of 0
A
0
2
Q
Cos theta of 0
A
1
3
Q
Sin theta of 30
A
.5
4
Q
Cos theta of 30
A
square root of 3/2 = .86
5
Q
Sin theta of 45
A
square root of 2/2 = .707
6
Q
Cos theta of 45
A
square root of 2/2 n= .707
7
Q
Sin theta of 60
A
square root of 3/2 = .86
8
Q
cos theta of 60
A
.5
9
Q
sin theta of 90
A
1
10
Q
cos theta of 90
A
0
11
Q
sin theta of 180
A
0
12
Q
cos theta of 180
A
-1
13
Q
SOH CAH TOA
A
Sine over hypotenuse
Cosine adjacent to hypoteneuse
tangent opposite over adjacent
14
Q
How is the resultant vector (hypotenuse)? calculated?
A
h^2 = X^2 + Y^2
15
Q
Tan theta 60
A
Square root 3 = 1.73
