If ABC are the angles of a triangle then prove that tan A/2.tan B/2 +tan B/2 .

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If ABC are the angles of a triangle then prove that tan A/2.tan B/2 +tan B/2 .tan c/2 +tan C/2 . tan A/2 = 1 ​

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Adeline 1 month 2021-08-19T07:44:17+00:00 1 Answer 0 views 0

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    2021-08-19T07:45:25+00:00

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    Itt5youyouisyouyouyouis

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