Range of the function f(x)= sin 2(x4)+ cos 2(x4) is

Question

Range of the function f(x)= sin 2(x4)+ cos 2(x4) is (A)  (-∞ , ∞ )  (B)  1  (C)  (-1, 1)  (D)  (0, 1)

Tardigrade Admin · Accepted Answer

f(x)= sin 2(x4)+ cos 2(x4)=1 Hence, range = 1

Q. Range of the function $f (x) = sin^{2} (x^{4}) + cos^{2} (x^{4})$ is