
Warm Up 12/11
Flashcard
•
Mathematics
•
12th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the ratio for cosine?
Back
Cosine is defined as the ratio of the length of the adjacent side (A) to the length of the hypotenuse (H) in a right triangle. Therefore, the ratio for cosine is A/H.
2.
FLASHCARD QUESTION
Front
Find an angle coterminal with 46°.
Back
To find a coterminal angle, you can add or subtract multiples of 360°. For 46°, subtracting 360° gives -314°, which is coterminal.
3.
FLASHCARD QUESTION
Front
In what quadrant is -285°?
Back
An angle of -285° is coterminal with 75° (by adding 360°). Since 75° is in the first quadrant, -285° is also in the first quadrant.
4.
FLASHCARD QUESTION
Front
Find a coterminal angle to -180 degrees.
Back
A coterminal angle can be found by adding 360°. For -180°, adding 360° gives 180°, which is coterminal.
5.
FLASHCARD QUESTION
Front
Which side is the hypotenuse?
Back
In a right triangle, the hypotenuse is the longest side, opposite the right angle. It is usually denoted as 'c'.
6.
FLASHCARD QUESTION
Front
What is the definition of a coterminal angle?
Back
Coterminal angles are angles that share the same terminal side when drawn in standard position. They can be found by adding or subtracting multiples of 360°.
7.
FLASHCARD QUESTION
Front
How do you determine the quadrant of an angle?
Back
To determine the quadrant of an angle, consider its measure: 0° to 90° is Quadrant I, 90° to 180° is Quadrant II, 180° to 270° is Quadrant III, and 270° to 360° is Quadrant IV.
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