3.Trigonometrical Ratios, Functions and Identities
medium

एक त्रिभुज में $\tan A + \tan B + \tan C = 6$ तथा $\tan A\tan B = 2,$ तब $\tan A,\,\,\tan B$ तथा $\tan C$ के मान हैं

A

$1, 2, 3$

B

$2,1,3$

C

$(a)$ और $(b)$ दोनों 

D

इनमें से कोई नहीं

Solution

(c) $\tan A + \tan B + \tan C = \tan A\tan B\tan C$

$\therefore \tan A\tan B\tan C = 6 \Rightarrow \tan C = \frac{6}{2} = 3$

एवं $\tan A + \tan B = 6 – 3 = 3$

$\therefore \tan A,\tan B = 2,1$ या  $1, 2$ तथा  $\tan C = 3$.

Standard 11
Mathematics

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