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
Mathematics
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Use the data to complete the table.The following is the number of hours students worked per week at after-school jobs. 
A. Frequency: 3, 3, 5, 5, 4 B. Frequency: 3, 4, 4, 5, 4 C. Frequency: 3, 4, 3, 6, 4 D. Frequency: 3, 4, 4, 4, 5
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Find the exact value of the expression.cos 
A. 
B. 
C. 1
D. 
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Write a word name for the given decimal notation.9.56
A. Nine and fifty-six millionths B. Nine and fifty-six hundredths C. Nine and fifty-six thousandths D. Nine and fifty-six tenths
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Decide whether or not the functions are inverses of each other.f(x) = (x - 6)2, x ? 6; g(x) = 
A. Yes B. No
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