Labeling
The side across from the right angle
What is the hypotenuse?
Opposite/Hypotenuse
What is sine (sin)?
Multiply
What to type into your calculator to find missing angles
What is "2nd + (sin, cos, or tan)"
The angle of elevation is always...
Inside the triangle
The side across from the angle
Adjacent/Hypotenuse
What is cosine (cos)?
What do you do when x is on the bottom?
Divide
When given a hypotenuse of 55, and the opposite of 51, what ratio do you use to find the missing angle?
What is sine?
The angle of depression is always...
Outside the triangle
The angle across from the hypotenuse
What is a right angle?
What is tangent?
When given the opposite as 14 and a 51-degree angle, what would you use to find the hypotenuse?
What is sine?
How do the ratios appear after pressing "2nd" on the calculator?
(tan, cos, or sin)⁻1
In word problems, the formulas...
Remain the same
What's the missing side?
Hypotenuse, opposite, and ______
What is adjacent?
On a triangle, the hypotenuse is 13, the opposite is 5, and the adjacent is 12. If you were using tangent, what would your equation be?
What is 5/12?
What ratio would you use to find the adjacent if given the opposite as 14 and a 49-degree angle?
What is tangent?
When given an opposite of 29 and adjacent of 38, what is the measure of the missing angle?
(tan⁻1(29/38) = 37 degrees
A tower casts a shadow that is 60 feet long when the angle of elevation of the sun is 65 degrees. How tall is the tower?
How do you get from the short leg to the long leg in a 30, 60, 90 triangle?
What is x√3?
On a triangle, the hypotenuse is 29, the adjacent is 20, and the opposite Is 21. If you were using cosine, what would your equation be?
What is 20/29?
What is your opposite if you are given the adjacent as 12, and a 24-degree angle?
(tan(24)x12= 5
When given an opposite of 14 and a hypotenuse of 24, what is the measure of the missing angle?
(sin⁻¹(14/24)= 36 degrees
Kaitlyn is swimming in the ocean and notices a coral reef below her. The angle of depression is 35 degrees and the depth of the ocean, at that point is 250 feet. How far away is she from the reef?
250/(sin(35)= 435.86