Math, asked by jayanchakkattusseril, 8 months ago

tan (b+c/2)=cot(a/2)

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Answered by GangsterTeddy

Step-by-step explanation:

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Answered by aayyuuss123

Step-by-step explanation:

$\huge\boxed {\pink {\mathbb{\underline {Answer}}}}$

$a+b+c=180°\\</p><p>a+b=180-c\\</p><p>\tan \frac{a+b}{2}=\tan (90-\frac {c}{2})\\</p><p>\tan \frac {a+b}{2}=\cot\frac {c}{2}$

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tan (b+c/2)=cot(a/2)