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Pls Help Solve This Maths Problem. - Education - Nairaland

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Pls Help Solve This Maths Problem. by hidee20(m): 5:05pm On Aug 20, 2013
pls help with dis mth prob.
X+cosX=60.
He(teacher) said der is a formular called'Egyptian law' but i couldn't find it thru google.
Re: Pls Help Solve This Maths Problem. by Nobody: 6:49pm On Aug 20, 2013
hidee20: pls help with dis mth prob.
X+cosX=60.
He(teacher) said der is a formular called'Egyptian law' but i couldn't find it thru google.
I HAVE NOT HEARD OF SUCH OF LAW. BUT THE METHOD MY SEC TEACHER TAUGHT, IS THAT limx->0(x+cosx)~1+x but limx->90(x+cox)~x-x-1, since the x approaches 90, then we use the second method to find x, which now becomes 60-(1/60) , x is approximately 59.9, the amazing stuff is that the fmla is correct, you can even check with calculator.

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