[JEE Main 2002] which of the following is not periodic
Which of the following is NOT periodic?
(a) $|\sin3x|+\sin^2x$
(b) $\cos\sqrt x+\cos^2x$
(c) $\cos4x+\tan^2x$
(d) $\cos2x+\sin x$
1 Answer
VAVidaara Admin
✓ Vidaara Team
✓ Accepted
· 2d ago
▲ 0
Correct answer: (b) $\cos\sqrt x+\cos^2x$
$\cos\sqrt x$ is not periodic (its 'period' grows with $x$), so $\cos\sqrt x+\cos^2x$ is non-periodic.
JEE Main 2002 · Trigonometry — verified solution by the Vidaara Team.
Log in to post your own answer or join the discussion.
No comments yet — start the discussion.