Math, asked by Mainak0000000, 5 months ago

যদি A+ B + C =
$\pi$
এবং cos A = cos B cos C হয়, তবে দেখাও
(i) tan A = tan B + tan C
and 2 cot B cot C = 1

Answers

Answered by jaiakashsaikishore

1

Answer:

cot A cot BcotC

Step-by-step explanation:

cot A+cotB+cot C+

cinA CinB cin c

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