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I believe you have attempted to do it. Where were you stuck? Though the answer isn't that pretty..

why did you do this sinx(1+cosx)/sin^2 x or how'd that happen

oh wait nevermind i see what you did there

okay well how did that turn into (1+cosx/sinx)?

there is a sinx in the numerator and a sin^2 x in the denominator. so 1 of them cancels out.

and you got 2/sinx because the +cosx and the -cosx cancel out right?

because that is the remaining denominator for both terms.

yes

you can simplify it even further because 1/sinx = cscx so it can also be written as 2cscx

oh okay thank you this was really helpful