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In a AABC, cot A+ cot B+cotC = a² +6² +c² a+b+c (b) 4A a² + b² +c² 2A (a) (c) A a² +6² +c² 4A (d)

In a AABC, cot A+ cot B+cotC = a² +6² +c² a+b+c (b) 4A a² + b² +c² 2A (a) (c) A a² +6² +c² 4A (d)

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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In a AABC, cot A+ cot B+cotC = a² +6² +c² a+b+c (b) 4A a² +6² +c² 2A (a) (c) A a² +6² +c² 4A (d)
Transcribed Image Text:In a AABC, cot A+ cot B+cotC = a² +6² +c² a+b+c (b) 4A a² +6² +c² 2A (a) (c) A a² +6² +c² 4A (d)
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