Definitions
Reference Angles
Supplementary + Complementary
Trigonometric Values
100
Angles sum up to 180 degrees
What are supplementary angles?
100
Reference angles are always in this quadrant
What is Quadrant 1
100
supplementary angles with measures 10x+7 and 7x+3 degrees
107° and 73°
100
What is the value of sine if the angle lies on the terminal side passing through (-8,15)
15/17
200
Angles sum up to 90 degrees
What are complementary angles
200
The reference angle for
227°
What is 47°
200
supplementary angles with measures 6x-4 and 8x-12 degrees
80° and 100°
200
What is the value of cotangent if the angle lies on the terminal side passing through (-8,15)
-8/15
300
Angles that have same initial side and the same terminal side but different amount of rotation
What are coterminal angles
300
The reference angle for 307°
What is 53°
300
complementary angles with measures 9x+6 and 3x degree
69°, 21°
300
What are the values of sine and cosine if the angle lies on the terminal side passing through
(1, sqrt3)
sin theta = sqrt3/2
cos theta = 1/2
400
The trigonometric function defined by the relationship
y/r
What is sine
400
Reference angle for 458°
What is 82°
400
complementary angles with measures 3x-5 and 6x-40 degrees
40° 50°
400
What is the value of cosecant if the angle lies on the terminal side passing through (3,4)
5/4
500
The trigonometric function defined by the relationship
y/x
What is tangent
500
Reference angle for 1380°
60°
500
150° 30°
500
Find the six trigonometric values for when the given point is on the terminal side
(-4,0)
sin theta = 0
cos theta = -1
tan theta = 0
csc theta = undef.
sec theta = -1
cot theta = undef.