Write the product as a sum or difference of trigonometric functions.-8 cos(-?) sin(-6?)

A. -4(cos 7? - cos 5?)
B. 4(sin 7? + sin 5?)
C. 4(sin 7? - sin 5?)
D. -8(cos 7? + cos 5?)


Answer: B

Mathematics

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Write the compound statement in words.Let r = "The puppy is trained."   p = "The puppy behaves well."  q = "His owners are happy."~r ? ~q

A. If the puppy is not trained then his owners are not happy. B. It is not the case that if the puppy is trained then his owners are happy. C. The puppy is not trained and his owners are not happy. D. The puppy is trained or his owners are happy.

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Solve.What is the value of ?

A. (3333)5 B. 243 C. (2222)5 D. 486

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Graph the function.f(x) = log1/3 x

A.

B.

C.

D.

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Solve.Two forces of 200 and 60 N (newtons) act on an object at right angles. Find the magnitude of the resultant and the angle that it makes with the larger force.

A. 209 N, 17° B. 209 N, 7° C. 209 N, 73° D. 43,600 N, 17°

Mathematics