Sine and Cosine Function Values
AP Precalculus · Flashcards · Recall
AP PRECALCULUS · FLASHCARDS
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QUESTION
Evaluate
cos
(
270
o
)
\text{cos}(270^\text{o})
cos
(
27
0
o
)
.
QUESTION
What is the value of
sin
(
3
π
2
)
\text{sin}(\frac{3\text{π}}{2})
sin
(
2
3
π
)
?
QUESTION
What is the value of
cos
(
π
)
\text{cos}(\text{π})
cos
(
π
)
?
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ANSWER
-1. At
π
\pi
π
, we're at the leftmost point where x-coordinate is -1.
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