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trigonometry

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how do I get from the one on left to the one on the right?
I tried seperating the fraction into

-tsint/(tcost + sint) + cost/(tcost + sint) and saw that -tsint/tcost can be -ttant but I dont think thats right.
Reply 1
Divide top and bottom by cos?
Reply 2
Original post by mqb2766
Divide top and bottom by cos?


I tried it and im still at a dead end :/
Reply 3
Err .. what did you get?
Reply 4
Original post by mqb2766
Err .. what did you get?


dont worry I got it now :biggrin:

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