Trigonometry Test Two(unit 8) Flashcards
1
Q
What is a reference angle
A
Is theta prime and is the angle created in between the terminal side and the closest horizontal
2
Q
Coterminal angle
A
Angles with same terminal side ex 70 and 430
3
Q
Initial side
A
Side that you start measuring angles from typically zero
4
Q
Letters for sin
A
Y over r
5
Q
Letters for cos
A
X over r
6
Q
Letters for tan
A
Y over x
7
Q
How to convert degrees to radians
A
Multiply your angle by pie over 180 then simplify
8
Q
How to convert radian to degrees
A
Multiple your angle in radian form by 180 over pie then simplify
9
Q
30 degrees in radians
A
Pie over 6
10
Q
45 degrees in radians
A
Pie over 4
11
Q
60 degrees in radians
A
Pie over 3
12
Q
Different forms of 3 pie over 2 or 270 degrees for each triangle type
A
