Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Mathematics Relations and Functions
If f(x) = sin2 x + sin2 \(\left(x+\frac{\pi}{3}\right)+\cos \left(x+\frac{\pi}{3}\right)\) cos x
and g(5/4) = 1, then gof (x), is
1
a polynomial of first degree in sin x and cos x
2
a constant function
3
a polynomial of second degree in sin x and cos x
4
More than one of the above
5
None of the above