Well isn't that A-cute >.<
The 1 and Only
Unit Circle
Unit Circle
Love Triangle
That's Just the Wave
You're Special
100
Angles are a measure of what?
Rotation
100
List 3 features that define a Unit Circle.
1. Radius of one unit
2. Centered at the origin (0,0)
3. Comprised of Special Right Triangles
100
Compare two sides of a right triangle for a given angle.
Trigonometric Ratios
100
Vertical distance from the midline of wave to the crest or trough.
Amplitude
100
Identify the 2 types of special right triangles.
30-60-90 degree triangles
45-45-90 degree triangles
200
Direction positive angles are measured.
Counter Clockwise (Anti-Clockwise)
200
Evaluate exact value of
cos (120^o)=
cos (120^o)=-1/2
200
Find the length of the shortest leg of the right triangle.
4
200
Is the following a sine or cosine graph?
Sine (it starts at the origin)
200
What makes a 30-60-90 triangle "special"?
The smallest leg is always half the length of the hypotenuse.
300
Positive angle that is coterminal to -828 degrees.
252^o
300
Estimate
sin(-215^o)approx
sin(-215^o)approx0.57
300
Two cables, s and r, are attached to a flag pole. The combined length of the cables is 50 feet. Find x to the nearest tenth of a degree.
x^o=32.2^o
300
What is the output of this function?
The ratio of the adjacent side over the hypotenuse.
300
Find the length of "x".
4sqrt3
400
If the sine & tangent ratios of a right triangle created by an angle are negative and reference angle is 33 degrees, find the original angle.
327^o
400
Evaluate exact value of
tan(-570^o)=
tan(-570^o)=-sqrt3/3
400
Find the value of "x". Round to the tenths place (image not to scale...sorry Jason).
x=66.8^o
400
Give the coordinate of the indicated point on the parent graph.
(240^o,-sqrt3/2)
400
Find the hypotenuse "x".
4sqrt6
500
Negative coterminal angle for a triangle where
cos theta=1/2 & tan theta= -sqrt3
-60^o
500
Evaluate the exact value of
tan^-1(sin(270^o))=
tan^-1(sin(270^o))=
tan^-1(-1)=
135^o +-180^on
500
Solve for the height of the pyramid (distance from base to point E). Round to the tenths place.
9.5 cm
500
Give the coordinate of the indicated point on the parent graph.
(-135^o,-sqrt2/2)
500
Each triangle is a 30-60-90 triangle. The hypotenuse of the triangle to the right is twice as long as the long leg of the triangle to the left. If the short leg of the smallest triangle is given. Find "a".
a=9