Use the unit circle to find the value of the trigonometric function.tan 
A. 
B. 
C. 
D. 2
Answer: C
Mathematics
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Write the proportion.20 is to 15 as 4 is to 3.
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Mathematics
Factor completely. If unfactorable, indicate that the polynomial is prime.49x2 - 64
A. (7x + 8)(7x - 8) B. (7x + 8)2 C. (7x - 8)2 D. prime
Mathematics
Find the sum of the geometric series for those x for which the series converges.
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression.
A. 4 cos x tan x
B. 4 cos x cot x
C. 
sin x cot x
D. 
cos x cot x
Mathematics