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12 Feb 2023
f(x)= sin x + cos x , when x is between 0 and 2 pi
i found f ' (x) = cos x - sin x
how to find the x where cos x -sin x = 0 , in order to knowwhere is f increasing or decreasing between 0 and 2 pi
Please help,
f(x)= sin x + cos x , when x is between 0 and 2 pi
i found f ' (x) = cos x - sin x
how to find the x where cos x -sin x = 0 , in order to knowwhere is f increasing or decreasing between 0 and 2 pi
Please help,
18 Feb 2023
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