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Solve this without completely using the L’Hospital Rule.
Dear student ise the formula of cos C – cos D 2 sin (x + sin x)/2 * sin (x- sinx)/2 / x^4 now multiply and divide by (x+ sinx)/2 and (x – sinx)/2 to make it in yhe form of sin (f(x)) /f(x) where f(x) tends to zero. hope it helpsin case of any difficulty please feel free to ask.
It is very simple dear.use the formula of cos C – cos D 2 sin (x + sin x)/2 * sin (x- sinx)/2 / x^4 now multiply and divide by (x+ sinx)/2 and (x – sinx)/2 to make it in yhe form of sin (f(x)) /f(x) where f(x) tends to zero. If u cant get the answer ask me again.
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