Six trigonometric functions as ratios

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Six trigonometric functions as ratios

1

Which ratio represents

in the diagram below?

a)		c)
b)		d)

2

In the diagram below of right triangle JTM,

,

, and

.

What is the value of

?

a)		c)
b)	2	d)

3

By law, a wheelchair service ramp may be inclined no more than 4.76°. If the base of a ramp begins 15 feet from the base of a public building, which equation could be used to determine the maximum height, h, of the ramp where it reaches the building’s entrance?

a)		c)
b)		d)

4

In the diagram below of right triangle KTW,

,

, and

.

What is the measure of

, to the nearest minute?

a)		c)
b)		d)

5

In the right triangle shown below, what is the measure of angle S, to the nearest minute?

a)		c)
b)		d)

6

In the diagram below, the length of which line segment is equal to the exact value of

?

a)		c)
b)		d)

7

In the accompanying diagram,

is tangent to circle O at R,

, and

Which measure represents

?

a)	SO	c)	PR
b)	RO	d)	QS

8

The accompanying diagram shows unit circle O, with radius

.

Which line segment has a length equivalent to

?

a)		c)
b)		d)

9

The accompanying diagram shows unit circle O, with radius

.

Which line segment has a length equivalent to

?

a)		c)
b)		d)

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