C\COS (A-\ALPHA )+a\cos (C+\alpha )\]\[=c(\cos A\cos \alpha +\SIN A\sin \alpha )\]\[+a(\cos C\cos \alpha -\sin C\sin \alpha )\] \[=\cos \alpha (c\cos A+a\cos C)+c\,\sin A\sin \alpha -a\sin C\sin \alpha \] Þ \[b\cos \alpha +kac\sin \alpha -kac\sin \alpha =b\cos \alpha \].

"> C\COS (A-\ALPHA )+a\cos (C+\alpha )\]\[=c(\cos A\cos \alpha +\SIN A\sin \alpha )\]\[+a(\cos C\cos \alpha -\sin C\sin \alpha )\] \[=\cos \alpha (c\cos A+a\cos C)+c\,\sin A\sin \alpha -a\sin C\sin \alpha \] Þ \[b\cos \alpha +kac\sin \alpha -kac\sin \alpha =b\cos \alpha \].

">
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In \[\Delta ABC\], \[c\cos (A-\alpha )+a\cos (C+\alpha )=\]

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

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\[C\COS (A-\ALPHA )+a\cos (C+\alpha )\]\[=c(\cos A\cos \alpha +\SIN A\sin \alpha )\]\[+a(\cos C\cos \alpha -\sin C\sin \alpha )\] \[=\cos \alpha (c\cos A+a\cos C)+c\,\sin A\sin \alpha -a\sin C\sin \alpha \] Þ \[b\cos \alpha +kac\sin \alpha -kac\sin \alpha =b\cos \alpha \].

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Posted on 01 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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