Rewrite the expression as an equivalent expression that does not contain powers of trigonometric functions greater than 1.f(x) = sin4 x

A.  -  cos 2x
B.  +  cos 2x
C.  -  cos 2x +  cos 4x
D.  - 2 cos 2x +  cos 4x


Answer: C

Mathematics

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Find the Taylor series generated by f at x = a.f(x) = x3 + 7x2 - 3x + 5, a = 1

A. (x - 1)3 + 10(x - 1)2 + 20(x - 1) + 10 B. (x - 1)3 - 10(x - 1)2 + 20(x - 1) - 10 C. (x - 1)3 - 10(x - 1)2 + 14(x - 1) - 10 D. (x - 1)3 + 10(x - 1)2 + 14(x - 1) + 10

Mathematics

Evaluate the integral.

A.   sin 3x -  sin 7x+ C
B. -  cos 7x -  sin 7 x + C
C.   sin 3x +  sin 7x+ C
D. -  cos 7x -  cos 3x + C

Mathematics

Determine whether the ordered pair is a solution to the inequality.5x + 3y < 19; (2, 3)

A. Yes B. No

Mathematics

Simplify by taking the roots of the numerator and the denominator. Assume all variables represent positive numbers.

A.
B.
C.
D.

Mathematics