Solve the equation for the interval [0, 2?).cos x = sin x

A. x = ,
B. x = ,
C. x = ,
D. x = ,

Answer: B

Mathematics

Solve the equation for the indicated variable.2 - (n - 0.2x) = 3n for x

A. 10 n - 2
B. 20 n - 10
C.
D. 10 - 20 n

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Mathematics

Find dy/dt.y = 4

A. - sin e^{4 cos(t/3)}
B. - ³
C. sin e^{3 cos(t/3)}
D. cos e^{4 cos(t/3)}

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Mathematics

Write the rational expression in lowest terms.

A. 1 B. -t C. -1 D. Already in lowest terms

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Mathematics

For the given functions f and g, find (f ? g)(x).f(x) = 3x + 4, g(x) = 9x + 7

A. 27x2 + 57x + 28 B. 27x2 + 28 C. 27x2 + 43x + 28 D. 12x2 + 57x + 11

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Mathematics