Formulas
Converting Radians/Degrees
Evaluating sin, cos and tan
Evaluating sec, csc, and cot
100
This trigonometry ratio uses the fraction adjacent over hypotenuse.
What is cosine(x)
100

The conversion from this radian measure to degrees is 180 degrees.

What is pi.

100

Evaluate sin(90)

What is 1

100

Evaluate sec(45)

sqrt(2)

200
This equation is a way of finding the x-coordinate on a unit circle.
What is x=cos(theta)
200
The conversion from this radian measure to degrees is 90 degrees.
What is pi/2.
200

Evaluate sin(150)

What is 1/2 or .5

200

Evaluate sec(2*pi/3)

-2

300

This trigonometry ratio uses the fraction opposite over hypotenuse.

What is sin(theta)

300

The conversion from this radian measure to degrees is 225 degrees.

What is 5*pi/4.

300

Evaluate sin(4*pi/3).

What is - sqrt(3)/2

300

Evaluate csc(2*pi/3)

2*sqrt(3)/3

400
This equation gives us the y-coordinate on the unit circle.
What is y=sin(theta)
400
The conversion from this radian measure to degrees is 330 degrees.
What is 11*pi/6.
400

Evaluate sin(7*pi/4)

What is -sqrt(2)/2

400

Evaluate cot(3*pi/2)

0

500

Given a Unit Circle, in order to calculate tan(theta), you divide what by what?

What is divide y by x?

500
The conversion from this radian measure to degrees is 390 degrees.
What is 13*pi/6.
500

Evaluate tan(pi/6)

sqrt(3) / 3

500

Evaluate cot(pi)

Undefined

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