List of top Mathematics Questions on Trigonometric Identities asked in WBJEE

$\int e^{x\log a}\cdot e^{x}dx$ is equal to

The radius of a circle is increasing at the rate of 0.1 cm/s. When the radius of the circle is 5 cm, the rate of change of its area is

If sum of the coefficients of x⁷ and x⁴ in the expansion of ${(\frac{x^2}{a}-\frac{b}{x})}^{11}$ is zero, then

$\sqrt{4},\sqrt[4]{4},\sqrt[8]{4},\sqrt[16]{4},\dots \dots \dots$up to ∞ are roots of the equation

The number of solutions of  2sin x + cos x = 3 is