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Evaluate the trig function (sin, cos, tan)
SOHCAHTOA
Potpourri
What angle(s) have a ____ of ____
Explain some trigonometry
100
sin(60 degrees)
What is sqrt(3) / 2
100

Use it when you know the hypotenuse and the opposite leg.

sine

100
sec(5pi / 4)
What is -sqrt(2)
100
These angles (in degrees) have a cosine of 1/2.
What are 60 and 300 degrees.
100
The tangent of an angle represents this.
What is the slope of the line between the origin and the point on the unit circle.
200
cos(2pi / 3)
What is -1/2
200

Use it when you know the two legs.

tangent

200
45 degrees and 135 degrees have the same value for these TWO trig functions.
What are sine and cosecant.
200
These angles (in radians) have a sine of -sqrt(3) / 2.
What are 4pi / 3 and 5pi / 3.
200
These two trigonometric functions are defined for all angles.
What are sine and cosine.
300
tan(11pi / 6)
What is -sqrt(3) / 3
300

Find the missing side x in a right triangle when Theta = 32, Adjacent = 13, and Opposite = x

8.1

300
cot(-3pi / 2)
What is 0
300
These angles (in degrees) have an undefined tangent.
What is 90 and 270.
300
These two trigonometric functions are positive in Quadrant I and Quadrant III.
What are tangent and cotangent.
400
sin(-135 degrees)
What is -sqrt(2)/2
400

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.

19.32 ft

400
2pi / 3 and 5pi / 3 have the same value for these TWO trig functions.
What are tangent and cotangent.
400
These angles (in radians) have a cosine of -sqrt(2) / 2.
What is 3pi / 4 and 5pi / 4.
400
These two trigonometric functions are not defined for 0 degrees and 180 degrees.
What are cotangent and cosecant.
500
tan(630 degrees)
What is undefined.
500

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

22.7 m

500
csc(480 degrees)
What is 2 sqrt(3) / 3
500
These angles (in degrees) have a cotangent of sqrt(3)/3.
What is 60 and 240.
500
To convert any angle from degrees to radians, you can multiply by ______ and divide by _____.
What is multiply by 2pi and divide by 360. (OR, multiply by pi and divide by 180).