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`tan^(-1)""(x)/(sqrt(a^(2)-x^(2))),|x|lta` |
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Answer» `tan^(-1)""(x)/(sqrt(a^(2)-x^(2)))=tan^(-1)""(asintheta)/(sqrt(a^(2)-a^(2)sin^(2)theta))` `=tan^(-1)""(asintheta)/(sqrt(a^(2)(1-sin^(2)theta)))" "" माना " {:(x=asintheta),(impliessintheta=(x)/(a)):}` `=tan^(-1)""(asintheta)/(sqrt(a^(2)cos^(2)theta))" "impliestheta=sin^(-1)((x)/(a))` `=tan^(-1)""(asintheta)/(acostheta)=tan^(-1)(tantheta)` `=theta=sin^(-1)""(x)/(a)` |
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