In a triangle ABC, A- B = 120^° and the circumradius is8 times the i – InterviewSolution

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1.	In a triangle ABC, A- B = 120^° and the circumradius is8 times the inradius of the triangle, then the value of cosC equal to
Answer» In a triangle ABC, A- B = 120^° and the circumradius is8 times the inradius of the triangle, then the value of cosC equal to

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