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Ask iit jee aieee pet cbse icse state board community Community Discussion Question: whats the formula for sin(A+B+C)??
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[Post New]12 May 2008 08:30:33 IST
    Subject: whats the formula for sin(A+B+C)??
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vagee (133)

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whats the formula for sin(A+B+C)??
    
[Post New]12 May 2008 08:32:24 IST
    Subject: Re:whats the formula for sin(A+B+C)??
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securitas2311 (23)

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cosAcosBcosC(1-tanAtanB-tanBtanC-tanCtanA)
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[Post New]12 May 2008 08:33:09 IST
    Subject: Re:whats the formula for sin(A+B+C)??
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securitas2311 (23)

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( If A+B+C=180 degrees )
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[Post New]12 May 2008 08:34:23 IST
    Subject: Re:whats the formula for sin(A+B+C)??
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sin (a + b) cos c + cos (a+b) sin c


= (sin a cos b + cos a sin b ) cos c + (cos a cos b + sin a sin b ) sin c


= sin a cos b cos c + cos a sin b cos c + cos a cos b sinc + sin a sin b sin c


 


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