TS EAMCET 10-Sep-2020 Shift 2 Solved Paper

Section: Mathematics

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Question : 26 of 160

Marks: +1, -0

In a ∆ABC,(b2−c2)‌cot‌A+(c2−a2)‌cot‌B=

0
2R2[sin‌2‌A−sin‌2‌B]
(b2−a2)‌cot(A+B)
2R2[tan‌2‌A−tan‌2‌B]

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