Find all values of ?, if ? is in the interval [0, 360°) and has the given function value.cot ? = 1
A. 135° and 225°
B. 45° and 225°
C. 45° and 315°
D. 225° and 315°
Answer: B
Mathematics
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Express as a single logarithm and, if possible, simplify.8 ln 
- 15 ln 
A. ln 
B. ln 
C. ln(x12 - y12)
D. ln 
Mathematics
Use the dot product to determine whether the vectors are parallel, orthogonal, or neither.v = 4i + 3j, w = 3i - 4j
A. parallel B. orthogonal C. neither
Mathematics
Write the expression using only positive exponents. Simplify if possible.4-3
A. 
B. 64
C. -64
D. 
Mathematics
Solve. Use the zero product property.
A. 
B. none of these
C. 
D. 
Mathematics