Question

Find the derivative of sinx........
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Answer 1

hey!!...once.. again'..
here is your answer.........
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Simply as in previous question let the sinx be f(x).......and do a small change in the function....h where h trends to zero ........
and apply the first principal of derivatives....
where lim tends to zero for h........
..on solving limit......
we get ...the derivative of sinx which is cos x ....
...hope it helped you.....
!!!n n
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