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If A,B and C are interior angles of a triangle ABC then show that tan(A+B)/2 = cot(c/2)
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If A,B and C are interior angles of a triangle ABC then show that tan(A+B)/2 = cot(c/2)
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Trigonometric identities
If A,B and C are interior angles of a triangle ABC then show that tan(A+B)/2 = cot(c/2)
Trigonometric ratios of specific angels, exercise problems from trigonometry, learn trigonometry online easily, SSC CBSE ICSE board examinations, mathematics lessons online, learn math online, trigonometry, trigonometric table,
Trigonometric identities
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