Product To Sum Flashcards by Amber Morgan | Brainscape

Q

Cosα*cosβ

A

= (1/2)*[cos(α-β)-cos(α+β)]

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Q

Sinα*sinβ

A

= (1/2)*[cos(α-β)-cos(α+β)]

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Q

Sinα*sinβ

A

= (1/2)*[sin(α+β)+sin(α-β)]

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Q

Cosα*sinβ

A

= (1/2)*[sin(α+β)+sin(α-β)]

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