Use even and odd properties of the trigonometric functions to find the exact value of the expression.cos 
A. 
B. 
C. - 
D. - 
Answer: A
Mathematics
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Simplify the following rational expression.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Mathematics
Find the limit and determine if the function is continuous at the point being approached.
cos
A. 1; yes B. 1; no C. does not exist; yes D. does not exist; no
Mathematics
Assume that the sequence converges and find its limit.a1 = -3, an + 1 = 
A. 8 B. -9 C. -3 D. 4
Mathematics
Solve the equation.log4
= x
A. 
B. 
C. 
D. 
Mathematics