Which Ratio?
Reference Angles and Co-terminal Angles
Find the value of
What do you know about STA?
Applications
100
Use it when you know the length of the hypotenuse and the adjacent leg.
What is Cosine?
100

Given that Sine is negative and cosine is positive.

What is Quadrant IV?

100

If cot A = 1 in quadrant I, then A = 

What is 45o?

100
The year STA was established.

What is 1866?

100
The maximum height that a 20 foot ladder can reach safely if we follow the suggestion that the ladder should not make an angle grater that 75 degrees with the ground.
What is 19.32 ft?
200
Use it when you know the hypotenuse and the opposite leg.
What is Sine?
200

The angle with the measure of 3460o lies in this quadrant.

What is Quadrant 3?

200

If 0o<A<180and sin A = 1/2 and cos A is negative, find the value of A.

What is 150o?

200
The place where St. Teresa is from.

What is Avila?

200
The distance above sea level after a plane ascends from 1 mile at a 3 degree angle for 60 ground miles.
What is 4.1 mi?
300
Use it when you know the two legs.
What is Tangent?
300

An angle with a postive Cotangent value lies in these quadrants.

What are quadrants 1 and 3?

300

Find all value of A on the Unit Circle for cot A = sqrt3/3.

What are 60and 240o?

300

The year that Dr. May Washington became President of STA.

What is 2019?

300

The angle of elevation of the sun when a 7.6 meter flagpole casts an 18.2 meter shadow, rounded to the nearest degree.

What is 23 degrees?

400
Use it when you know want to know the opposite leg and you know the measure of the angle and other leg.
What is Tangent?
400
The angle which has a tan value of -12/5 and a sin value of -12/13 lies in which quadrant?

What is Quadrant IV?

400

Name the cos 3 pi.

What is -1?

400

This teacher has been at STA the second longest behind Mr. Egner.

Who is Ms. Blake?

400
The angle of depression of a sledding run 300 yards long with a vertical drop of 27.6 yards.
What is 5.3 degrees?
500
Use it when you want to know the opposite leg and you know the measure of the angle and hypotenuse.
What is Sine?
500

Tan A = -1

What is Quadrants II and IV?

500

If sin A = 1/2 and tan A is positive, name angle A in radians.

What are pi/6?

500

The year Donnelly Hall was built.

What is 1940?

500
The length of a ski run with a vertical drop of 1100 feet and angle of elevation of 24.4 degrees.
What is 2663 ft?