COS B=\frac{9+25-16}{2.3.5}=\frac{18}{2.3.5}=\frac{3}{5}\Rightarrow \sin B=\frac{4}{5}\] THEREFORE\[\sin 2B=2.\frac{4}{5}.\frac{3}{5}=\frac{24}{25}\].

"> COS B=\frac{9+25-16}{2.3.5}=\frac{18}{2.3.5}=\frac{3}{5}\Rightarrow \sin B=\frac{4}{5}\] THEREFORE\[\sin 2B=2.\frac{4}{5}.\frac{3}{5}=\frac{24}{25}\].

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In \[\Delta ABC\], if \[a=3,b=4,c=5\], then \[\sin 2B=\]  [MP PET 1983]

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

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\[\COS B=\frac{9+25-16}{2.3.5}=\frac{18}{2.3.5}=\frac{3}{5}\Rightarrow \sin B=\frac{4}{5}\] THEREFORE\[\sin 2B=2.\frac{4}{5}.\frac{3}{5}=\frac{24}{25}\].

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Posted on 04 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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