cosecA/cotA+tanA=cosA

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alokghimire · Answer 1 · 2014-02-05T21:02:37+0000

=LHS

=COSECA/COTA+TANA

=COSECA/(COSA/SINA +SINA/COSA)

=COSECA/(COS2A+SIN2A)/SINA.COSA

=I/SINA/1/SINA.COSA

=SINA.COSA/SINA

=COSA

=RHS

alokghimire · Answer 2 · 2014-02-05T21:02:45+0000

=lhs

=COSECA/(COTA+TANA)

=COSECA/{(COSA/SINA)+(SINA/COSA)}

=COSECA/(COSA/SINA + SINA/COSA)

=COSECA/(COS2A+SIN2A)/SINA.COSA

=I/SINA/1/SINA.COSA

=SINA.COSA/SINA

=COSA

= RHS

Safal Das Biswas · Answer 3 · 2014-08-26T03:17:34+0000

COSECA/(COTA+TANA) =COSECA/{(COSA/SINA)+(SINA/COSA)} =COSECA/(COSA/SINA + SINA/COSA) =COSECA/(COS2A+SIN2A)/SINA.COSA =I/SINA/1/SINA.COSA =SINA.COSA/SINA =COSA

cosecA/cotA+tanA=cosA

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