Sine wave A has a positive-going zero crossing at 45. Sine wave B has a positive-going zero crossing at 60. Which of the following statements is true?

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Wave A leads wave B by 15.

Wave A lags wave B by 15.

Wave A leads wave B by 105.

Wave A lags wave B by 105.

answer is A.

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Detailed Solution

Concept: A sine wave is a geometric waveform defined by the function y=sinx that oscillates (moves up, down, or side to side) on a regular basis. In other terms, it is a smooth s-shaped wave that oscillates between zero and one. The sine wave is a technical chart analysis technique that uses complex mathematics to determine if a market is trending or in a cycle phase.
Here the sine wave A has a positive going zero crossing at 45 and B has a positive going zero crossing at 60. So, A crosses zero first and B crosses after 15. So the sinewave A leads wave B by 15.
Hence , option 1 is correct.

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