8-1
8-2
8-3 and 8-4
8-5
8-6
100
In what type of triangles can we use the geometric mean?
Right Triangles
100
what don't you need to find tangent?
hypotenuse
100
What are the inverse trigonometric functions?
sin-1, cos-1, and tan-1
100
what is the trigonometric ratio of tan 95 degrees?
-11.4
100
What is a quantity that has both length and direction?
A vector
200
What theorem says the altitude of the hypotenuse of a right triangle forms two triangles that are similar to each other and the original triangle?
8-1-1
200
What are sine, cosine, and tangent examples of?
Trigonometric ratios
200
what do we use inverse trig functions to find?
Angles
200
When is the law of sines used?
ASA, AAS, or SSA
200
What is another term for length?
Magnitude
300
what proportion do we use for geometric mean?
a/x=x/b
300
what is the ratio for sine?
opposite leg/hypotenuse
300
What is cos-1(0.73)? Round to the nearest degree.
43 degrees
300
When is the law of cosines used?
SAS or SSS
300
what are two vectors with the same length and direction?
Equal vectors
400
What is the geometric mean of 8 and 12? Round to the nearest tenth
x=9.8
400
what is the ratio as a decimal of tan B is the opposite leg is 12 and the adjacent is 14?
tan B = 0.86
400
What is an angle formed by a horizontal line and a line of sight to a point above the line.
Angle of elevation
400
What is the cosine formula when trying to find side a?
a²=b²+c²-2bccosA
400
Name the vector that represents the sum of two given vectors.
Resultant vector
500
What is the geometric mean of 8 and 9 in simplest radical form?
6√ 2
500
What mode must your calculator be in to be able to properly find sine, cosine, and tangent?
Degree mode
500
If a bird is in a tree 15 feet tall looking down at a worm is the angle of sight an angle of elevation of depression?
Angle of depression
500
What is the formula for law of sines?
sinA/a=sinB/b=sinC/c
500
How is component form written?
M
e
n
u