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Sin 50degree/cos 40degree+cosec 40degree/sec50 degree - 4 cos 50degree x cosec 40degree = -2. prove

Note:i hav written degree in words .it is nothing but the small o which we use.

and solve it by trigonomertric identities

solve it today itself.it would be of great help to me.tmr is max xam.

thanks.

hope u wil reply within 10-15 mins.

2
by deeenbe

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