Monday, 3 June 2013

trigonometry - Solving complicated trigonometric limits

Can someone help me solve this limits? I know how to solve basic trigonometric limits, but this is too advanced for me. I know that i should start by writing that tanx=sinx/cosx. Some instructions after that?



limxπ4(tanx)tan2x



limxπ2(tanx)sinx

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