SOLUTION: (sin(x+pi))/(cos(x-pi))

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Question 58207: (sin(x+pi))/(cos(x-pi))
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
sin(x+pi))/(cos(x-pi))
Draw the picture on a unit circle:
sin(x+pi)=-sinx
cos(x-pi)=-cosx
Then (-sinx)/(-cosx)= tanx
Cheers,
stan H.