Unit 3.4.3: Right Triangle Trigonometry

Right Triangle

A triangle with one right angle is called a __________________.

Cosine

Adjacent/hypotenuse is the ratio for which trig function?

Tangent

Opposite/adjacent is the ratio for which trig function?

Sine

Opposite/hypotenuse is the ratio for which trig function?

Adjacent

The leg closest to the indicated angle is referred to as the __________________ side.

Opposite

The leg furthest from the indicated angle is referred to as the __________________ side.

Hypotenuse

The longest side of a right triangle that is opposite of the right angle is called the ______________________.

A 90 degree angle.

What is a right angle?

8/17

What is cos(A)?

b/c

What is cos(A)?

3/5

What is cos(x)?

15/8

What is cot(B)?

17/15

What is csc(A)?

c/b

What is sec(A)?

15/17

What is sin(A)?

a/c

What is sin(A)?

4/5

What is sin(x)?

1

What is tan (45)?

b/a

What is tan(B)?

4/3

What is tan(x)?