Rewrite with only sin x and cos x.sin 3x - cos x
A. 3 sin x cos x - sin3 x - cos x
B. 2 sin x cos2 x + sin x - 2 sin3 x - cos x
C. 2 sin x - sin3 x - cos x
D. 2 sin3 x cos4 x + 1
Answer: B
Mathematics
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, 
, - 
, 
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A. an = 
B. an = 
C. an = 
D. an = 
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A. -9 B. 10 C. -10 D. 9
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Provide an appropriate response.Find the magnitude of the vector in standard position with end point (-4, 9).
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