Search results

  1. H

    help ! add maths :(

    ( 1 + sec x)(cosec x – cot x) open brackets cosec x -cotx + sec x cosec x -secx cotx convert all to sin and cos 1/sinx - cos x/sinx + 1/sinx cosx - cosx/sinx cosx in last expression - cosx/sinx conx. cosx cancels leaving -1/sinx which cancels with the first...
Top