Write the trigonometric expression as an algebraic expression containing u and v.cos(tan-1 u + tan-1 v)
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Simplify.log e e
A. 12log e e
B. log e 12
C. log 
D. 
Mathematics
Use the even-odd properties to find the exact value of the expression. Do not use a calculator.cot 
A. 1
B. - 
C. -
D. -1
Mathematics
Determine whether f is continuous at c.f(x) = 
; c = -9
A. not continuous B. continuous
Mathematics
Find the width of the river in the illustration. Round your answer to the appropriate number of significant digits.
A. 113 m B. 108 m C. 105 m D. 115 m E. 112 m
Mathematics