Write the product as a sum or difference containing only sines or cosines.cos(6?) cos(5?)

A. [ cos ? + cos(11?)]
B. cos2(30?2)
C. [cos(11?) - cos ?]
D. [cos(11?) - sin ?]


Answer: A

Mathematics

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The function f is one-to-one. State the domain and the range of f and f-1. Write the domain and range in set-builder notation.f(x) = 

A. f(x): D = , R = ;
f-1(x): D = , R = 
B. f(x): D = , R = ;
f-1(x): D is all real numbers, R = 
C. f(x): D = , R = ;
f-1(x): D = , R = 
D. f(x): D = , R is all real numbers;
f-1(x): D is all real numbers, R = 

Mathematics

Provide an appropriate response.P = {a, b, c, d, e, f} . How many subsets of the set P can be made?

Fill in the blank(s) with the appropriate word(s).

Mathematics

Determine all possible rational solutions of the polynomial equation.f(x) = 11x3 + 19x2 + 2x - 22

A. ±1, ± , ±11, ± , ± , ± 
B. ±1, ± , ±2, ±11, ±22
C. ±1, ± , ±2, ± , ±11, ±22
D. ±1, ±2, ±11, ±22

Mathematics

Solve the inequality. Write the solution set in interval notation.x3 - 6x2 > 0

A. (0, 6) B. (-?, 6) C. (-?, 0) ? (6, ?) D. (6, ?)

Mathematics