fun-lim

Question: Range of the function $f(x)={{\sin }^{2}}({{x}^{4}})+{{\cos }^{2}}({{x}^{4}})$ is



1) $(-\infty ,\ \infty )$
2) {1}
3) (–1, 1)
4) (0, 1)
Solution: Explanation: No Explanation
Functions

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