Using a sum or difference identity, write the following as an expression involving functions of ?.sin (360° + ?)
A. sin ?
B. -cos ?
C. 
cos ? - 
sin ?
D. 
cos ? + 
sin ?
Answer: A
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Determine the most appropriate metric unit to go in the blank. Choose from L, ml, kg, g, and mg.Helen and Juan went hiking. Between the two of them they brought 9 
of water.
A. L B. mg C. mL D. kg E. g
Provide an appropriate response.A sporting goods store determines that the optimal quantity of athletic shoes (in pairs) to order each month is given by the Wilson lot size formula: Q(C, M, s) = src="https://sciemce.com/media/4/ppg__rrrrr0617190846__f1q124g4.jpg" style="vertical-align: -21.0px;" />.
What will be an ideal response?
, where C is the cost (in dollars) of placing an order, M is the number of pairs sold each month, and s is the monthly storage cost (in dollars) per pair of shoes. Find 
. Then find and interpret 
Use a calculator to evaluate the function. Round your answer to 4 decimal places.tan 
A. 0.0055 B. 0.2679 C. 0.3249 D. 0.3640
Establish the identity.1 + 
sin(2?) = 
What will be an ideal response?