8-3 to 8-6 Flashcards
1
Q
Trigonometry?
A
Greek for triangle measurement
2
Q
Trigonometric Ratio?
A
The ratio of two sides of a right triangle. The ratios hold for any given angle measures regardless of the size of the triangle.
3
Q
Tangent Ratio (Tan)?
A
Adjacent leg
4
Q
Sine Ratio (Sin)?
A
Hypotenuse
5
Q
Cosine Ratio (Cos)?
A
Hypotenuse
6
Q
Degrees 0?
A
Degrees: 0
Radians: 0
Sin: 0
Cos: 1
Tan: 0
7
Q
Degrees 30?
A
Degrees: 30
Radians: pi/60
Sin:1/2
Cos: root 3/2
Tan: root 3/3
8
Q
Degrees 45:
A
Degrees: 45
Radians: pi/4
Sin: root 2/2
Cos: root 2/2
Tan: 1
9
Q
Degrees 60:
A
Degrees: 60
Radians: pi/3
Sin: root 3/2
Cos: 1/2
Tan: root 3
10
Q
Degrees 90:
A
Degrees: 90
Radians: pi/2
Sin: 1
Cos: 0
Tan: Undefined
11
Q
Unit Circle?
A
Circle with a radius of one
