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Mathematics, 29.07.2019 17:00 TightKnowsDaWhey

If (1+sina)(1+sinb)(1+sinc)=(1-sina)(1 -sinb)(1-sinc)=k then value of k=? a. (cosacosbcosc) b.(sinasinbsinc) c. (3sinasinbsinc),

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If (1+sina)(1+sinb)(1+sinc)=(1-sina)(1 -sinb)(1-sinc)=k then value of k=? a. (cosacosbcosc) b.(sina...
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