1.

Let F(x)= f(x)+g(x), G(x) = f(x) - g( x) and H(x)=(f( x))/( g(x))where f(x)= 1- 2 sin ^(2)x and g(x)=cos (2x) AA f: R to [-1,1] and g, R to [-1,1] Now answer the following IfF :R to [-2,2] then F(x) is

Answer»

the domain of G(X) and H(x) are same
the RANGE of G(x) and H(x) are same
the UNION of the dmain of G(x) and H(x) are all real numbers
None

Answer :C


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