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 Domain and range of H(x)are

Answer»

R and {1}
R and {0, 1}
`R-{2n +1) pi/4}`
R and {0}

ANSWER :C


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