The angle of minimum deviation for a prism of apex angle 60° and refractive index of \(\sqrt{2}\) is:
A projectile is thrown at a speed V and at an angle with the horizontal. If the speed at its maximum height is \(\frac{V}{3}\),then the value of tan θ is:
For any real number \(x\), the least value of \(4cosx-3sinx+5\) is ?
\(∫sin^2 πx dx =\)?
Let \(f(x)=\dfrac{x-1}{x+1}\) ,Let \(S ={x∈R \text{ Iff } -1(x)=x \text{ does not hold} }\).The cardinality of S is