#how get this formula

3 messages · Page 1 of 1 (latest)

vocal canyon Feb 3, 2023, 4:58 PM

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$sinx*siny=\frac{1}{2}(cos(x-y)-cos(x+y))$

oblique pebbleBOT Feb 3, 2023, 4:58 PM

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light horizonBOT Feb 3, 2023, 4:58 PM

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W0IK