Triangles
Identities
Reference Angles/ Trig
Unit Circle
Radians
100

A triangle that has a 90-degree angle.

What is a right triangle?

100

What is the reciprocal of 

1/csc(theta)

sin(theta)

100

The trigonometry ratio uses the fraction adajacent over hypothenuse.

What is cosine or cosine(x)?

100

Sine 90 degrees

What is 1?

100

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

What is pi?

200

A triangle that has 2 equal angles or sides?

What is an isosceles triangle?

200

What is equivalent to 

sin(theta)/cos(theta)

tan (theta)

200

The trigonometry ration uses the fraction opposite over hypotenuse.

What is sine or sine(x)?

200

Cosine if 60 degrees

What is 1/2 or 0.5?

200

The conversion from this radian measure to degrees is 90 degrees.

What is the pi/2?

300

A right triangle has two legs that are both 3. The hypotenuse is

What is 3 sqrt (2)?

300

The reciprocal of 

1/cot(theta)

tan(theta)

300

The angle corresponding to this reference angle is 45 degrees.

What is 45 degrees?

300

Secant of 90 degrees

What is undefined?

300

The conversion from this radian measure to degrees is 135 degrees.

What is 3pi/4?

400

DAILY DOUBLE

A triangle has leg A that is 20 and another leg B with 16. A similar triangle has leg A as 35 and Leg B as x

What is x=28?

400

What is the pythagorean identity in terms of

sin(theta) and cos(theta)

sin^2(theta) + cos^2(theta) = 1

400

The angle corresponding to this reference angle is 2*pi/3.

What is 60 degrees or pi/3? 

400

DAILY DOUBLE

The cosine of 3*pi/2.

What is 0?

400

 The conversion from this radian measure to degrees is 330 degrees. 

What is 11pi/6?

500

An isosceles triangle has one angle that has a degree of 36. The other two angles are each.

What is 72?

500

What is the pythagorean identity in terms of 

tan(theta) and sec(theta)

sec^2(theta) - tan^2(theta) = 1

500

The angle corresponding to this reference angle is 7*pi/4.

What is 45 degrees or pi/4? 

500

The sine of 7pi/4.

What is - sqrt (2)/2?

500

The conversion from this radian measure to degrees is 390 degrees.

What is 13pi/6?

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