Answers

2014-04-15T12:21:20+05:30
Tana/1-cota+cota/1-tana=tana(1+cota)/1-cot²a+cota(1+tana)/1-tan²a=tana+1/cosec²a+cota+1/sec²a=tana/cosec²a+sin²a+cota/sec²a+cos²a
i hope u can do it from now,jst keep on simplifying it
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