Which part of the cauliflower is used as a vegetable?

One of the most important functions of botanical gardens is that

Charge $q$ is uniformly distributed over a thin half ring of radius $R$. The electric field at the centre of the ring is

If $3 \cos x \neq 2 \sin x$,then the general solution of $\sin^2 x - \cos 2x = 2 - \sin 2x$ is

The kinetic energy of a particle executing $S.H.M.$ is $16 \ J$ when it is in its mean position. If the amplitude of oscillations is $25 \ cm$ and the mass of the particle is $5.12 \ kg$,the time period of its oscillation is

$\int_0^{\pi / 2} \frac{d x}{1+\tan ^3 x}$ is equal to :