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Equation 1+x^2+2x"sin"(cos^(-1)y)=0 is ...

Equation `1+x^2+2x"sin"(cos^(-1)y)=0` is satisfied by (a) exactly one value of `x` (b) exactly two value of `x` (c) exactly one value of `y` (d) exactly two value of `y`

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Equation 1+x^2+2x"sin"(cos^(-1)y)=0 is satisfied by exactly one value of x exactly two value of x exactly one value of y exactly two value of y

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