y=arc cot{√(1+ x^2)-x)} Then 2f'(x)=1/(1+x^2)|| DIFF. Of INVERSE TRIGONOMETRIC FUNCTION
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y= arc tan [x/{1+√(1- x^2) }] + sin [2arctan √{( 1- x) /(1+x) }] Then (dy/ dx) = (1-2x) /2√(1- x^2)
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(8x^3 + a x^2 - 27x + b) has a Factor ( 2 x^2 - x -6 ) || Values of "a" &"b" || POLYNOMIAL
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arcsin{cos (arcsin x)}+ arccos{sin(arc cos x)}=π/2 || INVERSE TRIGONOMETRIC FUNCTION
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sin^2[ 2arctan{(1+x) /(1- x)}]=1-x^2 ,(-1) less than or equal to x less than (1) |INVERSE TRIG.FUNS.
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Rounded Neon Multicolored lines Animation Background Video | Footage | Screensaver
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When a mathematician gets bored episode 3 (feat. proof for the mellin inversion theorem)
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Trump-Feier: Elon Musk irritiert mit vermeintlichem Hitlergruß
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