Find the exact value of the expression.tan

A. - 
B.  
C. - 
D. - 


Answer: D

Mathematics

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Evaluate the cylindrical coordinate integral.

A. 240? B. 12? C. 120? D. 24?

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Solve the problem.Find the approximate area bounded by , x = 0,  and the  by using the first three nonzero terms of the appropriate series.

A. 0.47467 B. 0.48267 C. 0.43733 D. 0.04520

Mathematics

Use the rules for exponents to rewrite the expression and then evaluate the new expression. (72)-1 

A.
B. - 
C. -14
D. -49

Mathematics

Use roster notation to write the set.The natural-number multiples of 7 greater than 20 and less than 106

A. {28, 35, ..., 105} B. {20, 106} C. {21, 28, 35, ..., 105} D. {21, 35, ..., 105}

Mathematics