Definitions
A fixed ray of an angle on the x-axis
What is the initial side?
w = θ/t
(√3/2),(-1/2) is where in the unit circle?
What is quadrant IV
OR
330°
Find the reference angle of an angle at 150°.
What is 30°?
A rotating ray attached to the initial side of an angle
What is the terminal side?
v = θ(r)/t
(√2/2),(√2/2) is where on the unit circle?
What is quadrant I?
OR
45°
Solve by changing π/2 into degrees.
What is 90°?
functions of an angle are called...
What are trigonometric functions?
What two measurements are the same as 300° on the unit circle?
What are -60° and 660°?
Solve by changing 7π/6 to degrees.
What is 210°?
the height from the center line to the peak of a wave
What is amplitude?
In a trig function, hypotenuse over opposite is referred to as...
What two measurements are the same as 540° on the unit circle?
What are 180° and 900°?
Solve by changing 60° into radians.
What is π/3?
Convert 36°25'18 to decimal degrees.
Solve for tan(π).
Solve by changing 360° into radians.
What is 2π?