If f(x)=(a^(2)-b^(2))^(-1//2).cos^(-1)((...

If `f(x)=(a^(2)-b^(2))^(-1//2).cos^(-1)((acosx+b)/(a+bcosx)) a gt b gt 0 and 0 lt x lt pi`, then S.T `f'(x)=(a+bcosx)^(-1)`.

If f(x)=(a^(2)-b^(2))^(-1//2).cos^(-1)((acosx+b)/(a+bcosx)) a gt b gt ...
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If f(x)=(a^(2)-b^(2))^(-1//2).cos^(-1)((acosx+b)/(a+bcosx)) a gt b gt ...
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If f(x) = {(x-1,",", x lt 0),(1/4,",",x = 0),(x^2,",",x gt 0):}
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If f(x)=(4+sin2x+a sinx+Bcosx)/(x^(2)) for x!=0 is at x=0, then A+B+f(...
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If 0 lt x lt pi/2, show that, cos x gt 1-x^(2)/(2!)
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If f(x) = {{:(-x - (pi)/(2),x le - (pi)/(2)),(-cos x,-(pi)/(2) lt x le...
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প্রমান করো:2tan^-1(sqrt((a-b)/(a+b))tan""x/2)=cos^-1""(acosx+b)/(a+bco...
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If f (x)= {{:(sin ^(-1) (sin x) , x gt 0),( (pi)/(2), x = 0), (cos ^(-...
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If f(x)=(a^(2)-b^(2))^(-1//2).cos^(-1)((acosx+b)/(a+bcosx)) a gt b gt ...
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