Conversions
Convert 200 degrees to radians
(10pi)/9 radians
sin 150
1/2
sin 4π/3
-√3/2
What is the reference angle of 30 degrees?
30 degrees
What two quadrants is tangent positive?
Quadrants I and III
Convert 50 degrees to radians
(5pi)/18 radians
cos 270
0
cos 5π/6
-√3/2
What is the reference angle for 315 degrees?
45 degrees
What quadrant is cosine positive and sine is negative?
IV
Convert
pi/12
radians to degrees
15°
tan 210
sqrt3/3
tan 11π/6
-sqrt3/3
What is the reference angle for
(7pi)/4
pi/4
What two Quadrants is sine negative?
III and IV
Convert 16 radians to degrees
916.73°
or
2880/pi
tan 480
-√3
cos((-2pi)/3)
-1/2
What is the reference angle for
(17pi)/6
pi/6
A positive angle that is any angle's quickest way back to the x-axis is called the _________
reference angle
convert 20𝝅 degrees to radians
What is 𝝅2/90 radians
sec 420
csc((7pi)/6)
-2
What is the reference angle of -480 degrees?
60 degrees
Name two Pythagorean Triples
There are lots of possibilities