Find the indicated trigonometric function of ?.Find sin A.

A. sin A = 
B. sin A = 
C. sin A = 
D. sin A = 


Answer: B

Mathematics

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Find the area of the surface generated by revolving the curves about the indicated axis.x = sin t, y = 6 + cos t, 0 ? t ? 2?; x-axis

A. 36?2 B. 18?2 C. 6?2 D. 24?2

Mathematics

Determine the value or values that are excluded from the following expression.

A. -7, -8, 7 B. -7, 7 C. 0, -49 D. none

Mathematics

Use the information given in the figure.How many are in B but not in A?

A. 25 B. 27 C. 20 D. 24

Mathematics

Identify the given function as a linear function, a quadratic function, or a rational function.f(x) = x + 

A. Rational B. Quadratic C. Linear

Mathematics