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When the positive-going zero crossing of a sine wave occurs at , at what angle does the positive peak occur?
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Ask by Mccoy Nichols. in the United States
Mar 23,2025

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The positive peak occurs at .

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The positive peak of a sine wave occurs at . Since the positive-going zero crossing occurs at , it is important to recognize that the sine wave has already passed through its peak. The peak occurs before the next zero crossing, which would be at . Therefore, to find the peak before , you can determine that the last peak was at .
So, the answer is . Keep in mind that understanding the behavior of sine waves involves recognizing their periodic nature and using that to predict various points in their cycles!

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