This trigonometry ratio relates the adjacent side divided by the hypotenuse
What is cosine?
Find the tangent of angle theta. Leave as a trigonometric ratio.

What is tangent theta=8/15?
In your own words, define an angle of elevation.
An angle of elevation is the angle formed between a horizontal line and the line of sight when an observer looks upward.
What is the Tan(B) in simplest fractional form?

Tan(B)=24/10 =12/5
This trigonometry ratio relates the opposite side divided by the hypotenuse
What is sine?
DD! Using trigonometry, solve the value for x. Leave your answer as a trigonometric ratio.

Cos 37 = adj / hyp
Cos 37 = x / 11
(11*Cos 37 = x
x = 8.8)
Which angle is the angle of elevation?

What is 30 degrees?
What is the Sin(B) 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. Leave your answer as a trigonometric ratio.

Tan 54 = opp / adj
Tan 54 = x / 5
(5*Tan 54 = x
x = 6.9m)
Set up the trigonometric ratio to solve for the length of the shadow.
tan 58=opposite/adjacent
tan 58=10/x
Solve for x.

What is 56 degrees?
The number of degrees in every triangle.
What is 180 degrees?
Using trigonometry, calculate the value for x. Leave your answer as a trigonometric ratio.

Sin 28 = opp / hyp
Sin 28 = x / 50
(50 *Sin 28 = x
x = 23.5m)
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? Write a trig ratio of how to solve for the height.
Jenny's cat was a little more than 6 feet up the tree.
The ratio is tan 65=x/3
Write the cosine of 16 degrees as a trig ratio
cos 16=adj/hyp
cos 16=a/20
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? Leave your answer as a trigonometric ratio.
Sin A=(O/H)
Sin A = (12/22)
What angle does the rocket have to fly at to reach the rocket base 300 km above Earth? Write the trig ratio to find the angle.

Tan θ = 300 / 90
θ = Tan -1 ( 300 / 90 )
θ = 73 degrees
Write a trig ratio to find the value of x.
tan 27=opposite/adjacent
tan 27=28/x