Find the possible values of tan x, if `cos^2x+5sinxcosx=3`

Find the values of x, such that x^2 + 2x - 5 is an increasing function

If cos40^(@)=xandcostheta=1-2x^(2) , then the possible values of theta lying between 0^(@) and 360^(@) is

Find the value of (x-y), if 2x-5y=5,5x-8y=14

The value of 2 sin 3x cos 2x is equal to

For x=0, find the value of x^2 -5x+5

Find the total number of solution of sin^(4)x+cos^(4)x=sinxcosx" in "[0,2pi] is equal to

Find the approximate value of f(x)= x^3 + 5x^2 -2x +3 at x=1.98

The value of int(dx)/(sinxcosx+3cos^(2)x) is

Find the equation of the tangent to the curve y=x-sinxcosx at x=pi/2