sine
exact values
cosine exact values
tangent exact values
miscellaneous trig questions
reference angles & coterminal angles
100
The sine of 30 degrees
What is 1/2?
100
The cosine of 45 degrees.
What is sqrt(2)/2?
100
The tangent of pi/4 radians
What is 1?
100
The quadrant where sine is positive but cosine is not.
What is quadrant 2?
100
The reference angle for 135 degrees.
What is 45 degrees?
200
The sine of 45 degrees
What is sqrt(2)/2?
200
The cosine of 30 degrees
What is sqrt(3)/2?
200
The tangent of 30 degrees.
What is sqrt(3)/3
200
Evaluate the inverse tangent of the square root of 3.
What is 60 degrees? (pi/3 radians)
200
The reference angle for 300 degrees.
What is 60 degrees?
300
The sine of pi/3 radians
What is sqrt(3)/2?
300
The cosine of pi/3 radians.
What is 1/2?
300
The tangent of 60 degrees.
What is sqrt(3)?
300
The ambiguous case (AAS, ASA, SSA, SSS, SAS)
What is SSA?
300
The reference angle of (5*pi)/6 radians. (answer in radians)
What is pi/6 radians?
400
The sine of 240 degrees
What is -sqrt(3)/2?
400
The cosine of 240 degrees.
What is -0.5?
400
The tangent of 90 degrees.
What is undefined?
400
The quadrants that the secant of an angle is negative.
What are quadrants 2 and 3?
400
A positive angle that is coterminal to -200 degrees.
What is 160 degrees?
500
The sine of pi radians
What 0?
500
The cosine of 2pi.
What is 1.
500
The tangent of 120 degrees.
What is -sqrt(3)?
500
The quadrants where the cotangent of an angle is negative.
What are quadrants 2 and 4?
500
A negative angle that is coterminal with (3*pi)/4 radians. (Answer in radians).
What is -(5*pi)/4 radians?
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