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Back to Law of Cosines — Problem 2 · Task Set 14
Law of Cosines
Grade 10
·
21 problems
·
~30 min
·
ACT Math
·
topic
·
act-geo-trig-lawcosines
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A
Recall / Warm-Up
1.
What is the value of
cos
(
60
°
)
\cos(60\degree)
cos
(
60°
)
?
A.
0
B.
0.5
C.
3
2
\frac{\sqrt{3}}{2}
2
3
D.
1