
Lecture #18 (Exam #3 Review) - Fall 2024
Flashcard
•
Mathematics
•
University
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
If tan > 0 and cos < 0, what quadrant are you in?
Back
You are in Quadrant 3.
2.
FLASHCARD QUESTION
Front
Convert 225° to radians.
Back
3.
FLASHCARD QUESTION
Front
What is the complement of 10°?
Back
The complement of 10° is 80°.
4.
FLASHCARD QUESTION
Front
Evaluate: sin^{-1}(-\frac{\sqrt{2}}{2})
Back
sin^{-1}(-\frac{\sqrt{2}}{2}) = -\frac{\pi}{4}.
5.
FLASHCARD QUESTION
Front
What is the range of the sine function?
Back
The range of the sine function is [-1, 1].
6.
FLASHCARD QUESTION
Front
What is the Pythagorean identity?
Back
7.
FLASHCARD QUESTION
Front
How do you find the reference angle for an angle in the third quadrant?
Back
Subtract 180° from the angle.
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