If cot squared A = cot (A-B) cot (A-C), then prove that 2 cot 2A = cot B + cot C
Jainam Khakhra , 9 Years ago
Grade 12
Trigonometry> If cot squared A = cot (A-B) cot (A-C), t...
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Saurabh Koranglekar
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Vikas TU
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