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- 1. Multiple Choice
What are the 3 basic trig functions?
Sine, cosine, and cotangent
Sine, cotangent, and cosecant
Sine, cosine, and tangent
Cosecant, cosine, and cotangent
- 2. Multiple Choice
How do sine, cosine, and tangent tell us about an angle?
They describe the angle measure in terms of the ratio of its corresponding sides
They tell us its measure in relationship to the other angles in the triangle
We can only use them if we know all side lengths
They describe the angle measure in terms of the product of its corresponding sides
- 3. Multiple Choice
What type of circle plays a large role in understanding trig functions?
An elliptic circle
The unit circle
The perfect circle
The Pythagorean circle
- 4. Multiple Choice
If I wanted to find the sine of an angle, what side lengths would I need to know?
base, hypotenuse
hypotenuse, adjacent
opposite, hypotenuse
adjacent, opposite
- 5. Multiple Choice
The cosine of an angle can be calculated by which expression?
- 6. Multiple Choice
What is the reciprocal of the sine function?
cosecant
cosine
secant
cotangent
- 7. Multiple Choice
of an angle, can be expressed as which of the following?
- 8. Multiple Choice
What is the sine of angle A?
- 9. Multiple Choice
True or False? Using the unit circle, the process for determining the sine/cosine of any angle is as follows:
Step one: Starting from (1,0) (1,0) move along the unit circle in the counterclockwise direction until the angle that is formed between your position, the origin, and the positive x-axis is equal to your angle. Step two:The sine of your angle is equal to the y-coordinate of your point, and cosine is equal to the x-coordinate.
True
False
- 10. Multiple Choice
What is the tangent of angle A?
.75
.8
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