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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...
- HarisShahzad
- Post #7
- Nov 11, 2010
- Forum: O-Levels / GCSEs / IGCSE

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