Use a coterminal angle to find the exact value of the expression. Do not use a calculator.tan 
A. 
B. 1
C. 
D. 
Answer: D
Mathematics
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Solve the problem.The value of a particular investment follows a pattern of exponential growth. In the year 2000, you invested money in a money market account. The value of your investment t years after 2000 is given by the exponential growth model A = 9400e0.057t. How much did you initially invest in the account?
A. $9951.36 B. $4700.00 C. $535.80 D. $9400.00
Mathematics
Verify the identity.
= sin ? sin ?
What will be an ideal response?
Mathematics
Use the Half-angle Formulas to find the exact value of the trigonometric function. tan 
A. 1 + 
B. -1 - 
C. -1 + 
D. 1 - 
Mathematics
Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics