# Sign up for an account

Already have a Quizlet account?

Log in.

###
If the altitude is drawn from the right angle to the hypotenuse of a right triangle,

then the altitude is the...

geometric mean of the two parts of the hypotenuse

###
If the altitude is drawn from the right angle to the hypotenuse of a right triangle,

then the leg is the...

leg is the geometric mean of the hypotenuse and the part of the hypotenuse adjacent to that leg

###
In a 45-45-90 triangle, what do the legs represent?

x

###
In a 45-45-90 triangle, what does the hypotenuse represent?

x root 2

###
In a 30-60-90 triangle, what does the hypotenuse represent?

2x

###
In a 30-60-90 triangle, what does the short leg represent?

x

###
In a 30-60-90 triangle, what does the long leg represent?

x root 3

###
What is the reciprocal of sine?

cosecant

###
What is the reciprocal of cosine?

secant

###
What is the reciprocal of tangent?

cotangent

###
angle of elevation

the angle between an observer's line of sight and a horizontal line when an observer is looking up

###
angle of depression

the angle between an observer's line of sight and a horizontal line when an observer is looking down

###
law of sines

sinA/a = sinB/b

###
law of cosines

a^2 = b^2 + c^2 - 2bc cosA

### Please allow access to your computer’s microphone to use Voice Recording.

## We can’t access your microphone!

### Click the icon above to update your browser permissions and try again

Example:

### Reload the page to try again!

Reload

## Press Cmd-0 to reset your zoom

## Press Ctrl-0 to reset your zoom

### It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

## Your microphone is muted

### For help fixing this issue, see this FAQ.