Understanding Radian Measure of Angles
Precalculus · Flashcards
PRECALCULUS · FLASHCARDS
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QUESTION
What is
180
∘
180^\circ
18
0
∘
expressed in radians?
QUESTION
What is the conversion formula from degrees to radians for an angle
x
∘
x^\circ
x
∘
?
QUESTION
What is the radius of the unit circle used to define radian measure?
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ANSWER
r
=
1
r=1
r
=
1
. Unit circle has radius 1 by definition.
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