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If a,b, c are in AP then prove cotA/2, cotB/2, cotC/2 are in AP

If a,b, c are in AP then prove cotA/2, cotB/2, cotC/2 are in AP
 

Grade:12

1 Answers

D Francis Larana Kumar
28 Points
3 years ago
Sorry I don't know the answer you can ask to Google I'm not getting the answer hgxhrvtiididu j j ft igvfudkudox. Hfzutd5i5dfkycc. Xtjyifcyjg. Yii6fiyftjctjcyckyfkyfkyfkysfiyffieuxjyftzo7djyfgxkuxkyfjydtzi7futfkjzi6i6ugfxiylixkumhcjycyjycit

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