Solve the problem.The output voltage of a generator is given by 
Express the voltage as the sum of a sine and a cosine function.
A. V = 79
cos 2?ft + 79 sin 2?ft
B. V = 79
sin 2?ft + 79 cos 2?ft
C. V = 79 cos 2?ft + 79 sin 2?ft
D. V = 79
cos 2?ft - 79 sin 2?ft
Answer: A
Mathematics
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