Find tan B in the right triangle below .
?

?

A.
B. ?
C. ?
D. ?
E. ?


Answer: A

Mathematics

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Find all solutions of the equation in the interval [0, 2?).(tan ? - )(sin ? + 1) = 0

A.
B.
C.
D.

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Solve the problem.Given below are the winning times for the men's 100 meter Olympic freestyle for various years.Let W represent the winning time (in seconds) at t years since 1971. Find an equation of a linear model to describe the data.

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