Use identities to write the expression as a single function of x or ?.sin 

A. sin x
B. -cos x
C.  cos x -  sin x
D.  cos x +  sin x


Answer: B

Mathematics

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Find the 37th term of the arithmetic sequence with a = 8 and d = 12. 

A. 423 B. 440 C. 411 D. 495

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Use power series operations to find the Taylor series at x = 0 for the given function.f(x) = x7 tan-1(2x)

A.
B.
C.
D.

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Evaluate the expression.61

A.
B. 6
C. 1
D. -6

Mathematics

Determine the phase shift of the function.y = 4 sin (4?x + 3)

A. 3 units to the right
B.  units to the left
C.  units to the right
D. 3 units to the left

Mathematics