the two degree answers on the unit circle for sin(x) = -1/2
What is 210, 330
100
The two quadrants where sine is positive
What are the first and second quadrants
200
cos(90)
What is 0?
200
tan(7pi/4)
What is -1?
200
200 degrees
What is 10pi/9 radians
200
The two radian answers to cos(x)= -sqrt(3)/2
What is 5pi/6 and 7pi/6?
200
The domain of y = tan(x)
What is all real numbers except + or -odd number*pi/2?
300
tan(120)
What is -sqrt(3)?
300
sin(13pi/6)
What is 1/2?
300
3 revolutions counter-clockwise (give the radians)
What is 6pi radians in revolutions?
300
the two degree answers for tan(x) = sqrt(3)
What is 60 and 240
300
Two negative places on the unit circle that tangent is undefined
What are -90 and -270
400
sin(405)
What is sqrt(2)/2?
400
sin(-19pi/4)
What is -sqrt(2)/2?
400
16pi/5 radians (give the degrees)
What is 576 degrees?
400
The two degree answers for 2sin(x) - 1 = 0
What is 30 and 150
400
The range of y = -3sin(2x)+2
What is [-1, 5]
500
tan(855)?
What is -1?
500
tan(-16pi)
What is 0?
500
-29pi/4 radians (give degrees)
What is -1305 degrees?
500
The two radian answers for 3tan(x) = - sqrt(3)
What is 5pi/6 and 11pi/6?
500
Thinking of a coordinate grid... sine is the y, and cosine is the x - we know tangent is y/x. This is another word (from algebra 1) that can describe tangent