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12th of April 2017
Mathematics
Q:

sin45+cos90-tan45


Subho Sasmal - Junior - Class I

Wednesday, April 12, 2017 at 15:14:PM

A:

begin mathsize 20px style sin 45 plus cos 90 minus tan 45
equals fraction numerator 1 over denominator square root of 2 end fraction plus 0 minus 1
equals fraction numerator 1 over denominator square root of 2 end fraction minus 1 end style

Wednesday, April 12, 2017 at 15:17:PM