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y=cos−1(1−x21+x2);0<x<1 x=tanθ y=cos−1(cos2θ)=2θ y=2tan−1x |
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Answer» y=cos−1(1−x21+x2);0<x<1 x=tanθ y=cos−1(cos2θ)=2θ y=2tan−1x |
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