A given sine wave has a peak voltage value of 18.3 V. The instantaneous value at 270ø is
a. -18.3 V
b. 0 V
c. 6.8 V
d. 18.3 V
a. -18.3 V
Mathematics
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A. False B. True
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Decide whether or not the matrices are inverses of each other.
and 
A. No B. Yes
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Graph the inequality.x > -8 
A. 
B. 
C. 
D. 
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