Find the length of the curve.The spiral r = 7?, 0 ? ? ? ?
A. 
(?
+ ln (? + 
))
B. 
C. 7
D. 
((?2 + 1)3/2 - 4)
Answer: A
Mathematics
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Without using a calculator, determine the value of the trigonometric function or state that the value is undefined.tan 
A. 
B. 
C. 1
D. -1
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A. 
B. log67 - log65
C. log67 + log65
D. log65 - log67
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