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-(pi/4)sin(pix/4) solve for x, x >(or equal to) 0 x <(or equal to) 10

User Nnesterov
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1 Answer

6 votes
say y = pi*x/4

we know
sin(y) = 0 at y=0,pi,2piso set up three equationpi x/4 = 0 or pi or 2pi and solve for x
User Kiya
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