What is the exact value of cos60°?
Unit Circle & Trig (BASIC)
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Mathematics
•
10th Grade - University
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
1/2
2.
FLASHCARD QUESTION
Front
What is the ratio for Sine?
Back
Opp/Hyp
3.
FLASHCARD QUESTION
Front
What is the exact value of cos(π)?
Back
-1
4.
FLASHCARD QUESTION
Front
What is the exact value of tan(45°)?
Back
1
5.
FLASHCARD QUESTION
Front
What is the exact value of cos(90°)?
Back
0
6.
FLASHCARD QUESTION
Front
Define the unit circle.
Back
A circle with a radius of 1 centered at the origin of a coordinate plane, used to define trigonometric functions.
7.
FLASHCARD QUESTION
Front
What is the relationship between sine and cosine?
Back
sin(θ) = cos(90° - θ) for any angle θ.
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