Zusammenfassung der Ressource
Frage 1
Frage
Write cos2x in terms of sinx
Antworten
-
1+ 2sin²x
-
1-2sin²x
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1+sin²x
-
1-sin²x
Frage 2
Frage
Write cos2x in terms of cosx
Antworten
-
2cos²x + 1
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cos²x -1
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2cos²x - 1
-
cos²x + 1
Frage 3
Frage
Write sin²x in terms of cos2x
Antworten
-
½(1 + cos2x)
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½(1 - cos2x)
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½cos2x
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1 - cos2x
Frage 4
Frage
Write cos²x in terms of cos2x
Antworten
-
½(cos2x + 1)
-
½(cos2x - 1)
-
cos2x -1
-
cos2x + 1
Frage 5
Frage
Write cos²x in terms of cos2x
Antworten
-
½(cos2x + 1)
-
½(cos2x - 1)
-
cos2x -1
-
cos2x + 1
Frage 6
Frage
Express cos2x in terms of sinx and cosx
Antworten
-
cos²x - sin²x
-
cos²x + sin²x
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sin²x - cos²x
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2cos²x - sin²x
Frage 7
Frage
Express sin2x in terms of sinx and cosx
Antworten
-
2sinxcosx
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2sinx + cosx
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2cosx + sinx
-
2(sinx + cosx)
Frage 8
Frage 9
Frage 10
Frage 11
Frage
What is the small angle approximation for sinθ?
Frage 12
Frage
What is the small angle approximation for cosθ?
Frage 13
Frage
What is the small angle approximation for tanθ?