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Question

Find its derivative by using 1st principle--e^sinx

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Solution

Dear student
Let f(x)=esinxThen f(x+h)=esinx+hddx(f(x))=limh0fx+h-f(x)h=limh0esinx+h-esinxh=limh0esinxesin(x+h)-sinx-1h=esinxlimh0esin(x+h)-sinx-1sin(x+h)-sinx×sin(x+h)-sinxh=esinxlimh0esin(x+h)-sinx-1sin(x+h)-sinx×limh0sin(x+h)-sinxh=esinx×1×limh0sin(x+h)-sinxh=esinx×cosx
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