find dy/dx if y= cos (x+y)
plzz mention every single point
thank you
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cos(x+y) could be written as
cosxcosy-sinxsiny
then by by using product rule we would get
cosxsinxsinycosx-sinxcosxcosysiny
that is 0
answer is 0
cosxcosy-sinxsiny
then by by using product rule we would get
cosxsinxsinycosx-sinxcosxcosysiny
that is 0
answer is 0
siimransiingh:
unfortunately this is not correct answer
wat's the answer
-sin(x+y)/ 1 + sin(x+y)
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