Find the cardinal number of the indicated set. Use the cardinal number formula.If n(B) = 60, n(A ? B) = 11, and n(A ? B) = 105, find n(A).
A. 56
B. 54
C. 45
D. 58
Answer: A
Mathematics
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Prove that 
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Find the exact value of the trigonometric expression without the use of a calculator.sin 75°
A. 
B. - 
C. - 
D. 
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Insert the symbol <, >, or = to form a true statement.54.000 
54.0000
A. 54.000 < 54.0000 B. 54.000 > 54.0000 C. 54.000 = 54.0000
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Use a graphing utility to find the indicated limit rounded to two decimal places.
A. 3.00 B. 2.00 C. 2.96 D. 2.04
Mathematics