Establish the identity.sin(? - ?) cos(? + ?) = sin ? cos ? - sin ? cos ?

What will be an ideal response?


sin(? - ?) cos (? + ?) = (sin ? cos ? - cos ? sin ?)(cos ? cos ? - sin ? sin ?)   = sin ? cos ? - sin ? cos ?

Mathematics

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Provide an appropriate response.Divide and round the answer to the nearest whole number.  

A. 4,402.1025 B. 4,400 C. 5,000 D. 4,402

Mathematics

Solve the problem.A condominium association is holding an election for president of the board of directors. Each member ranks the candidates from first to third. The preference table below shows the results of the ballots with candidates Abbott (A), Blake (B), Cleary (C), and Downs (D). If the plurality method if used to determine the winner and Downs drops out, is the irrelevant alternatives criterion satisfied?

A. Yes B. No

Mathematics

Find an equivalent equation in rectangular coordinates.r - 5 sin ? = 6 cos ?

A. x2 + y2 = 0
B. x2 + y2 - 5y = 6x
C.  - 5y = 6x
D. x2 + y2 + 5y = 6x

Mathematics

Divide the first polynomial by the second and state the quotient and the remainder.2x5 - x4 + 3x2 - x + 5, x - 1

A. Quotient: 2x4 + x3 + x2 + 4x + 3; remainder: 8 B. Quotient: 2x4 - 3x3 - x; remainder: 6 C. Quotient: 2x4 + x3 - x2 + 2x + 1; remainder: 6 D. Quotient: 2x4 + x3 + 4x2 + 3x; remainder: 8

Mathematics