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Mathematics 9 Online
OpenStudy (anonymous):

Evaluate the integral from x = π /3 to x =π of sinθdθ

OpenStudy (raden):

do u know what is integral of sinθdθ ?

OpenStudy (anonymous):

is it -cosθ

OpenStudy (raden):

yes....

OpenStudy (raden):

and then just determine the value of : (-cos(pi)) - (-cos(pi/3) = .... ?

OpenStudy (anonymous):

thanks! i got it now

OpenStudy (raden):

3/2, right ?

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