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Identities
Right Triangle Trig
Oblique Triangles
Graphing Trig Functions
Trigonometric Functions/Evaluating
100
1/cos θ =
secθ
100
What is the 3rd angle if one angle is 52 degrees in a right triangle.
38 degrees
100
(Image B) What is the area of the triangle if the sides are: a = 5 b = 8 c = 12
14.5
100
Name an "odd" function.
sine, tangent, cosecant, and cotangent
100
The definition of sine is...
y / r or opposite over the hypotenuse
200
sinθ/cosθ
tan θ
200
(Image A) If Angle A = 70 and a = 12, solve for c.
12.77
200
(Image B) If c = 10 and b = 13 and angle A = 30 what is the value of a?
6.6
200
What is the period of tangent?
pi
200
Find the angle when cosθ =0.8888
27 degrees
300
sec^2θ - tan^2θ
1
300
(Image A) If a = 10 and b = 14 what is the measure of angle B?
54 degrees
300
(Image B) Given b = 20, B = 88, and A = 40, what is a?
12.9
300
What is the period and phase shift of y = sin(2x - pi/2) + 1
Period = pi phase shift: right pi/4
300
What is the value of sec130 degrees?
-1.5557
400
Write sinθcotθ in terms of cosθ only
cosθ
400
(Image A) If a = 13 and c = 20, what is b?
15
400
(Image B) Find angles A, B, and C given a = 4, b = 6, and c = 9.
A = 21 B = 32 C = 127
400
Where are sine and cosine the same value?
multiples of 45 in the I and III quadrants.
400
In what quadrants does cotθ and secθ have the opposite signs?
III and IV
500
Write tanθ / cosθ in terms of sine only.
sinθ / 1 - sin^2θ
500
(Image A) if a = 4, b = 3, and c = 5, what are the measures of angle A and B?
Angle A = 53 Angle B = 37
500
Find the altitude CD given AC = 10, CB = 8, and AB = 16
CD = 4
500
Find an equation for a sine function which has an amplitude of 4, a period of 180 degrees, and a y-intercept of -3.
y = 4 sin2x - 3
500
Find the exact value of tanθ when sinθ = -12/13 in the III Quadrant.
12/5