Given y = f(u) and u = g(x), find dy/dx = f'(g(x))g'(x).y = sin u, u = cos x
A. - cos(cos x) sin x
B. cos x sin x
C. - cos x sin x
D. sin(cos x) sin x
Answer: A
Mathematics
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A. 
B. 
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Name the quadrant in which the angle ? lies.cos ? > 0, csc ? < 0
A. I B. II C. III D. IV
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Divide and simplify.
÷ 
A. - 
B. - 
C. - 
D. - 
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Solve the equation by the method of your choice.x2 + 12x + 15 = 0
A. {6 - 
, 6 + 
}
B. {6 + 
}
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}
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Mathematics