Find the trigonometric form of the complex number shown below.

a.

b.

c.

d.

e.


e.

Mathematics

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Multiply and simplify.sin ? (sec ? tan ? + csc ? + cot ?)

A. sec2 ? + cos ? B. 1 + 2 sin2 ? C. sin ? + 2 sec ? D. sin2 ? - 1 + cos ?

Mathematics

Solve the system by substitution. If the system is inconsistent and has no solution, state this. If the system is dependent, write the form of the solution for any real number x.  x = -18 + 3y9x - 2y = -12

A. (-6, 0) B. (1, 5) C. Inconsistent, ? D. (0, 6)

Mathematics

Given the graph of the functions  and . Determine the color of the graph that corresponds to

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?

?
Select the correct answer.
?

A. Blue
B. Red

Mathematics

TKK Products manufactures electric light bulbs in the 50-, 60-, 75-, and 100-watt range. Laboratory tests show that the lives of these light bulbs are normally distributed with a mean of 760 hr and a standard deviation of 60 hr.

Mathematics