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Angles
Trig Identities
Triangles
Trig graphs
Miscellaneous
100
The radian equivalent of 240 degrees
What is 4 pi/3
100
1/secx
What is cosx
100
adj/hyp
What is cos x?
100
The amplitude of y = 2sinx + 5
What is 2
100
sec (40 degrees)
What is 1.3
200
The quadrant for the terminal side of 7pi/6
What is Quadrant III
200
1-sin^2x
What is cos^2x
200
The value of cosx when sinx = 3/5?
What is 4/5?
200
The period of y = cos (2x) -1
What is Pi
200
The solutions to 2sinx + SQRT(3) = 0 in degrees
What are 240 and 300?
300
The first positive angle coterminal to -170
What is 190
300
(sinx)(cotx) + 2/secx
What is 3cosx
300
The height of a tree for which the angle of elevation from a point 60 ft away is 20 degrees.
What is 21.8 ft
300
The trig functions that are positive in Q3
What are tangent and cotangent
300
cot (3Pi/4)
What is -1
400
The reference angle for 210 minus the reference angle for 330
What is 0?
400
(1+tan^2x)/(sin^2x+cos^2x)
What is sec^2x
400
Side b for a triangle with B = 60 degrees, a = 5 and A =40 degrees to the nearest tenth
What is 6.7
400
The horizontal and vertical shifts of y = -2cos (x+pi/2) +4
What are -pi/2 and 4
400
(sinθ + cosθ )^2 + (sinθ − cosθ )^2
What is 2
500
the three angles for which the reference angle is pi/3
What are 2pi/3, 4pi/3 and 5pi/3
500
sinx/(1+cosx) + (1+cosx)/sinx
What is 2cscx
500
the measure of angle B for a triangle with a=9, b=7 and c = 5
What is 50.7 degrees?
500
The location of the vertical asymptotes of y = tanx between 0 and 360 degrees
What are 90 degrees and 270 degrees?
500
exact value of sin (15)
What is (SQRT6 +SQRT2)/4