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cos(tan + cot) = csc
only simplify one side to equal csc

so far I got this far:
[((cos)(sin))/(cos)] + [((cos)(cos))/(sin)] = csc

I don't know what to do next

  • Math -

    then on the left..


  • Math -

    You will need a common denominator of sinxcosx in your fraction to get

    LS = cosx(sin^2x /(sinxcosx) + cos^2x/(sinxcosx))
    = cosx (sin^2x + cos^2x)/(sinxcosx)
    = cosx(1)/(sinxcosx)
    = 1/sinx
    = cscx

    BTW you cannot just use the operators, there has to be some "angle" after it

    e.g. to say tan = sin/cos is not acceptable and mathematical gibberish.

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