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hello everyone. i am very new on mathematica.I have 2 problem :( at first, i have to eavluate the numerical equivalent of tan(45/Pi+Pi/45) when i wrote on mathematica like this:

In[21]:=

Tan[45/Pi+Pi/45]

Out[21]=

\!\(Tan[45\/π + π\/45]\)

it gives me that one. can not i get a real number from this?It doesnt solve tangent.i tried Solve[..] or Evaluate[..] but both they didnt work. And secondly how can i find the are of the region enclosed by the curves : y+45(x+45)=0 and y-x^3/45+45=0 ? i really dont have any idea about this. thanks for your helps from now.. it is very urgent i hope someone could help me :(

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# In mathematica

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