Find the exact value of the expression. Do not use a calculator.cot 45° - sin 60°
A. - 
B. 
C. 
D. 
Answer: B
Mathematics
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Use a calculator to find the function value to four decimal places.sec (2.82)
A. -0.9487 B. -1.0540 C. 0.3161 D. -0.3332
Mathematics
Write the rational expression in lowest terms.
A. 
B. 
C. -1
D. 1
Mathematics
Simplify the rational expression.
A. 
B. 
C. - 
D. 
Mathematics
Use the product rule to simplify the expression.
A. 3
B. 9
C. 21
D. 
Mathematics