Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.sec ? = - ,   < ? < ?Find sin .

A. - 
B. - 
C.
D.


Answer: C

Mathematics

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Solve the problem.A bank teller has some five-dollar bills and some twenty-dollar bills. The teller has 5 more of the twenties. The total value of the money is $750. Find the number of five-dollar bills that the teller has.

A. 21 five-dollar bills B. 36 five-dollar bills C. 26 five-dollar bills D. 31 five-dollar bills

Mathematics

Approximate the expression to the nearest thousandth.2.9(42) - 2(6) + 6

A. -32.6 B. 46.4 C. 34.4 D. 40.4

Mathematics

Given , find

What will be an ideal response?

Mathematics

Solve the equation. = 

A. ?
B. {2, }
C.
D. {- 2, - }

Mathematics