
Inverse Trig and Exact Value(flashcard 4)deg
Flashcard
•
Mathematics
•
9th Grade - University
•
Practice Problem
•
Hard
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1.
FLASHCARD QUESTION
Front
Where is tangent undefined?
Back
Tangent is undefined at 90° and 270°.
2.
FLASHCARD QUESTION
Front
What is cos⁻¹(-½)?
Back
cos⁻¹(-½) = 120° and 240°.
3.
FLASHCARD QUESTION
Front
Evaluate csc⁻¹(2)
Back
csc⁻¹(2) = 30°.
4.
FLASHCARD QUESTION
Front
What is arcsin(1/√2)?
Back
arcsin(1/√2) = 45° and 135°.
5.
FLASHCARD QUESTION
Front
cot(315°) = ?
Back
cot(315°) = -1.
6.
FLASHCARD QUESTION
Front
What is the range of arcsin(x)?
Back
The range of arcsin(x) is [-90°, 90°].
7.
FLASHCARD QUESTION
Front
What is the range of arccos(x)?
Back
The range of arccos(x) is [0°, 180°].
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