Graph the polar equation.r2 = 53 cos 4?

A.

B.

C.

D.


Answer: D

Mathematics

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Find the first four nonzero terms in the Maclaurin series for the function.f(x) = sin x cos x

A. 1 + x - x2 - x3 + . . .
B. x + x3 - x5 + x7 + . . .
C. x - x3 + x5 - x7+ . . .
D. x - x3 + x5 - x7 + . . .

Mathematics

Find the indicated part of the arithmetic sequence.Find the common difference of the sequence in which the first term is 1 and the 8th term is 29.

A. -4
B. 4
C.
D.

Mathematics

Find a polynomial of degree 3 with constant coefficient -18 and zeros -1, -2, and 3.

Mathematics

Solve the problem.What is the domain of the sine function?

A. all real numbers, except odd multiples of  (90°)
B. all real numbers, except integral multiples of ? (180°)
C. all real numbers from -1 to 1, inclusive
D. all real numbers

Mathematics