cotx+tanx=2csc2x LS: cotx+tanx =cosx/sinx+sinx/cosx =1/cosxsinx RS: 2csc2x =2(1/sin)2x What should I do now?
Last edited by mr fantastic; August 12th 2009 at 04:24 PM. Reason: Changed post title
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Originally Posted by skeske1234 LS: RS: Try this instead: Recall that ..
Originally Posted by skeske1234 cotx+tanx=2csc2x LS: cotx+tanx =cosx/sinx+sinx/cosx =1/cosxsinx ... multiply numerator and denominator by 2 RS: 2csc2x =2(1/sin)2x ... 2/[sin(2x)] What should I do now? .
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