This trigonometry ratio relates the adjacent and hypotenuse sides
What is cosine?
Calculate the value of sin 27o (round to the nearest thousandth)
sin 27o = 0.454
What is the value of the long leg (x) and the hypotenuse (y)?
x=3sqrt3sqrt3
x=3*sqrt9
x=3*3
x=9
y=2*3sqrt3
y=6sqrt3
What angle does the rocket have to fly at to reach the rocket base 300 km above Earth?

Tan θ = 300 / 90
θ = Tan -1 ( 300 / 90 )
θ = 73 degrees
What is the Tan(B) in simplest fractional form?

Tan(B)=24/10 =12/5
This trigonometry ratio relates the opposite and hypotenuse sides
What is sine?
DD! Using trigonometry, solve the value for x:

Cos 37 = adj / hyp
Cos 37 = x / 11
11*Cos 37 = x
x = 8.8
What is the value of x & y?

x =4
y=8
The distance from a boat to a lighthouse is 100 feet and the lighthouse is 120 feet tall. What is the angle of depression from the top of the Lighthouse to the boat.
50.2o
What is the Sin(C) in simplest fractional form?

Sin(B)=24/26 = 12/13
Which side of a triangle is opposite the right angle?
hypotenuse
Using trigonometry, find the value for x:

Tan 54 = opp / adj
Tan 54 = x / 5
5*Tan 54 = x
x = 6.9m
What is the value of x & y?
x=4sqrt3
y=8sqrt3
A stunt man was jumping from a cliff onto a boat below. If the angle of depression was 48o and the boat was 15 feet from the base of the cliff. How far would he fall before hitting the boat? Round to the nearest foot.
The boat is about 17 feet below the cliff
Solve for x; round to the nearest whole degree.
34 degrees
The name of two angles that added together makes 90o.
complementary angles
Using trigonometry, calculate the value for x:

Sin 28 = opp / hyp
Sin 28 = x / 50
50 *Sin 28 = x
x = 23.5m
What is the value of x and y?
x=5sqrt2
y=5sqrt2
Jenny was trying to get her cat out of the tree. Jenny was standing 3 feet from the base of the tree and the angle of elevation from Jenny to her cat was 65o. How high off the ground was the cat? Round to the nearest foot.
Jenny's cat was a little more than 6 feet up the tree.
Honors Only:
Use the law of cosines to solve for the value of x. Round to the nearest thousandths.


The step taken in solving equations algebraically to undo an operation (or the opposite of an operation).
inverse
What is the measure of angle A? (Round to the nearest hundredth)
Sin-1(12/22)
33.06o
Challenge: Solve for the value of x and y.

x=4sqrt5
y=4sqrt15
A woman is standing in a glass elevator looking out at the ground. The angle of depression between her and a statue on the ground is 20.6°.
The statue is 120 feet from the ground exit of the elevator. If each story is 9 feet high, what floor is the woman and the elevator on?
5th floor/story
Honors Only:
Use the law of sine to solve for the value of x.

