Use the formula , where , to rewrite the trigonometric expression in the form 

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?

9 

?



A.
B.
C.
D.
E.

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Answer: D

Mathematics

Solve the problem. Round to the nearest cent.The list price of a keyboard is $667. If the series discount offered is 10/15/15, what is the net cost after trade discounts?

A. $400.20 B. $433.72 C. $233.28 D. $266.80

A vector v has initial point P and terminal point Q. Graph  and write  as P = (3, -5), Q = (-2, 7)

A.

B.

C.

D.

Find the area of the circle. Use 3.14 or  for ? as indicated.Find the area. Round the answer to the nearest tenth of a unit.

A. 176.6 ft2 B. 706.5 ft2 C. 94.2 ft2 D. 47.1 ft2

Write the fraction in lowest terms.

A. 5
B.
C. 9
D.