B+c)\cos A+(c+a)\cos B+(a+b)\cos C=a+b+c\] From expanding and collecting TERMS USING projection RULE, \[a=b\cos C+c\cos B\]ETC.

"> B+c)\cos A+(c+a)\cos B+(a+b)\cos C=a+b+c\] From expanding and collecting TERMS USING projection RULE, \[a=b\cos C+c\cos B\]ETC.

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In triangle \[ABC\], \[(b+c)\cos A+(c+a)\cos B\] \[+(a+b)\cos C=\] [MP PET 1985]

Joint Entrance Exam - Main (JEE Main) Mathematics in Joint Entrance Exam - Main (JEE Main) 10 months ago

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\[(B+c)\cos A+(c+a)\cos B+(a+b)\cos C=a+b+c\] From expanding and collecting TERMS USING projection RULE, \[a=b\cos C+c\cos B\]ETC.

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Posted on 16 Sep 2024, this text provides information on Joint Entrance Exam - Main (JEE Main) related to Mathematics in Joint Entrance Exam - Main (JEE Main). Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.

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