Show:
Graphing
Meanings
Mixed Review
Trig identities and expressions
Potpourri
100
The quadrant the angle 5π/4 lies in
What is Quadrant III
100
the endpoint of a ray
What is a vertex
100
You multiply the radians by this to convert it to degrees
What is 180°/π
100
The smallest number c for which a function f is periodic is called the ____ of f
What is a period
100
A quotient identity for tan θ
What is sinθ/cosθ
200
Two angles that add up to 180 degrees
What is supplementary angles
200
This is the starting position of the ray of the angle
What is the initial side
200
This is the acute angle formed by the terminal side of θ and the horizontal axis
What is reference angle
200
(x,y) point that corresponds to t=7π/6
What is (-√3/2, -1/2)
200
(x,y) point on the unit circle that corresponds to t=π/3
What is (1/2, √3/2)
300
Period of the graph of the function. y= 3 cot 2x
What is period: π/2
300
This is the position of the ray after rotation
What is the terminal side
300
If you are given 3 sides of a triangle, you would use the Law of _____ to find the 3 angles of the triangle
What is Cosines
300
The angles and side lengths when A= 43°, B=98°, and c=22
What is C= 39° a= 23.84 b= 34.61
300
Convert 34π/15 to degrees
What is 408 degrees
400
Period of the graph of the function. y = csc π x
period: 2
400
The reference angle of 290°
What is 70°
400
This is a way to verify the identity (tan^2 x + 1) (cos^2 x - 1) = -tan^2 x
What is (tan^2 x + 1) (cos^2 x - 1) = (sec^2)(-sin^2 x) = -(sin^2 x)/(cos^2 x) = -(sin x/cos x)^2 = -tan^2 x
400
A reciprocal identity for sin θ
What is 1/csc θ
400
Evaluate sin[arcsin π/3]
What is π/3
500
Asymptotes of the graph of the function. y = -1/2 sec x
What is asymptotes: x= -π/2, x= π/2
500
The area when a=8, b=12, c=17
What is 43.52
500
The angle and side lengths when A= 42 degrees, B= 35 degrees, and c=1.2
What is C= 82 degrees a= 0.82 b= 0.71
500
Evaluate sin(-9π)/4 using the period
What is -√2/2
500
The other five trig functions of sin θ= 7/25
What is cos θ= 24/25 tan θ= 7/24 csc θ= 25/7 sec θ= 25/24 cot θ=24/7