If in a ABC, 4 A + 3 = 0 then A 2 and A 2 are the roots of

JEE Advanced Mathematics question

Not in JEE syllabus

If in a , then and are the roots of

Answer: (A)

, so is obtuse (): , . Then , so .

Sum: \sin$ + = 1 + A = 85 ⇒ +

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Question ID VK-109974