Mathematics
Senior High
この問題で、なぜ150度が答えにならないかが知りたいです。arccos なのでコサインの範囲は0°以上180°以下ではないのでしょうか?
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Find all the values of
√3
2
arccos.
Select one or more:
a. 30°
b. 60°
C.
3
✓ d. 150°
e.
✓ f.
5л
6
T
6
X X
<
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