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Trig Identities Cosine Law and Addition Formulae Trig Identities Cosine Law and Addition Formulae

Trig Identities Cosine Law and Addition Formulae - PDF document

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Uploaded On 2017-03-28

Trig Identities Cosine Law and Addition Formulae - PPT Presentation

BAcosAsinACBACgivesC2BAcos2Asin2B22ABcosA2cos2A2sin2B22ABcosA2 Additionandsubtractionformulaesinxysinxcosycosxsinysinxysinxcosycosxsinycosxycosxcosysinxsinycosx ID: 332038

BAcosAsinACBACgivesC2=BAcos2+Asin2=B22ABcos+A2cos2+A2sin2=B22ABcos+A2 Additionandsubtractionformulaesin(x+y)=sinxcosy+cosxsinysin(xy)=sinxcosycosxsinycos(x+y)=cosxcosysinxsinycos(x

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