###
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

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