Analysis of the voltage in certain types of circuits involves terms of the form sin nW -90°), where n is a positive integer, Wo is the
frequency of the voltage, and t is time. Use an identity to simplify this expression.
a. cscnat
c. cosna!
b. -CSCnw!
d. -cos not

Subtract 8 1/6 - 4 5/6 . simplify the answer and write as a mixed number.

Which ahows the graph of the solution set of 6x+4y< 12

Amanda went into the grocery business starting with five stores. after one year, she opened two more stores. after two years, she opened two more stores than the previous year. if amanda expands her grocery business following the same pattern, which of the following graphs represents the number of stores she will own over time?