Simplify.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Graph the function.f(x) = 
x 
A. 
B. 
C. 
D. 
Mathematics
Graph the pair of parametric equations with the aid of a graphing calculator.x = 4 tan t, y = 2 sec t; -?/2 ? t ? ?/2
A. 
B. 
C. 
D. 
Mathematics
Classify the angle as acute, right, obtuse, or straight.
A. Straight B. Obtuse C. Right D. Acute
Mathematics
Use Identities to find the exact value.cos 
A. 
B. 
C. 
D. 
Mathematics