Use the definition or identities to find the exact value of the indicated trigonometric function of the acute angle ?.tan ? = 
Find sin ? and cos ?.
A. sin ? = 
, cos ? = 
B. sin ? = 
, cos ? = 
C. sin ? = 
, cos ? = 
D. sin ? = 
, cos ? = 
Answer: A
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Answer the question asked. When necessary, round to the nearest hundredth.One conveyor belt can move 1000 boxes in 10 minutes. Another can move 1000 boxes in 11 minutes. If another conveyor belt is added and all three are used, the boxes are moved in 3 minutes. How long would it take the third conveyor belt alone to do the same job?
A. 
min
B. 7
min
C. 1
min
D. 
min
a and b represent the two legs of a right triangle, while c represents the hypotenuse. Find the length of the unknown side.
A. c = 26 B. c = 50 C. c = 49 D. c = 35
Use the integral test to determine whether the series converges.
A. converges B. diverges
Simplify the rational expression. If the rational expression cannot be simplified, so state.
A. - 
B. -1
C. 
D. 1