Unit Circle
What are the cos and sin values at pi/2 on the unit circle?
cos is 0 and sin is 1
What is sin on the unit circle?
the y value of a point
What is 120 as a radian?
2pi/3
What is the value of tangent (5pi/3)
NEGATIVE sqrt. of 3
Which quadrants have cosine as a positive values?
Quadrants, I and IV.
What is cos on the unit circle?
The x value of a point
What is convert 7pi/6 to degrees?
210 degrees
What is sin(pi/2)
-1
What is the value of sin at pi?
What is the fraction of tan on the unit circle?
y/x
What is the circumference and radius of the unit circle?
2pi and 1
What is the value of sin(pi/6)?
1/2
Which quadrants have tangent as a negative value?
Quadrants II and IV
What is sin(300)
6pi / 3
Which radian angle has cos of √3/2 and sin of 1/2?
pi/6
What is the value of cos(120)
-1/2
Which quadrants have sine as positive values?
Q1 and Q2
What is tan(7pi/4)
-1
Which radian angle has cos of -1/2 and sin of √3/2?
2pi/3
What is tan(330)
- sqroot(3) / 3