Equivalent Representations of Trigonometric Functions
AP Precalculus · Flashcards · Application
AP PRECALCULUS · FLASHCARDS
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QUESTION
Convert degrees to radians for
180
∘
180^\circ
18
0
∘
.
QUESTION
Convert radians to degrees for
π
3
\frac{\pi}{3}
3
π
.
QUESTION
Which quadrant is
cos
(
θ
)
>
0
\cos(\theta) > 0
cos
(
θ
)
>
0
and
sin
(
θ
)
<
0
\sin(\theta) < 0
sin
(
θ
)
<
0
?
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ANSWER
Quadrant IV. In Quadrant IV, cosine is positive and sine is negative.
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