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I think the answer is B
:)
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SorryI forgot to add pi/4 to eq.http://i34.tinypic.com/208k5rp.gifby solvinghttp://www.wolframalpha.com/input/?i=x/2-1/2*sinx%2BPI/4-1%2B1/2*(2-sin(PI/4-x/2)-cos(PI/4-x/2))^2%3D0 tan(tetha)=0.59...
I think the answer is B
ReplyDelete:)
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ReplyDeleteSorry
ReplyDeleteI forgot to add pi/4 to eq.
http://i34.tinypic.com/208k5rp.gif
by solving
http://www.wolframalpha.com/input/?i=x/2-1/2*sinx%2BPI/4-1%2B1/2*(2-sin(PI/4-x/2)-cos(PI/4-x/2))^2%3D0
tan(tetha)=0.59...