Find the exact value of the expression if ? = 60°. Do not use a calculator.g(?) = cos ?Find 
.
A. 
B. 
C. 20
D. 
Answer: B
Mathematics
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Solve.If a primary transformer is created with 560 turns, it is rated for 220 volts. If the secondary transformer is created with 293 turns, what will be the output voltage? Round to the nearest volt.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Use mathematical induction to prove the following.If a is a constant and 0 < a < 1, then an < 1.
What will be an ideal response?
Mathematics
Solve the system of equations using Gaussian elimination or Gauss-Jordan elimination.5x + 5y - 3z = -1720x + 21y - 11z = -610x + 11y - 5z = 15
A. 
B. 
C. 
D. No solution
Mathematics
Provide an appropriate response.Integrate: 
A. 
B. 
C. 
D. 
Mathematics