Write the product as a sum or difference containing only sines or cosines.sin(4?) cos(5?)

A. sin cos(20?2)
B. [cos(9?) + sin ?]
C. [cos(9?) - cos ?]
D. [sin(9?) - sin ?]


Answer: D

Mathematics

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Find the Taylor polynomial of order 3 generated by f at a.f(x) = , a = 0

A. P3(x) =  +  +  + 
B. P3(x) =  -  +  - 
C. P3(x) =  +  +  + 
D. P3(x) =  -  +  - 

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Solve.If a tiler lays  tiles in  hours, how many tiles can she lay in one hour?

A. 18 tiles B. 13 tiles C. 15 tiles D. 20 tiles

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Convert the numeral to a numeral in the base indicated.1061 to base 15

A. 4AB15 B. 4BA15 C. 4B915 D. 4A915

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Simplify the expression involving rational exponents.100-5/2

A. Not a real number
B.
C. - 250
D. -100,000

Mathematics