Trigonometric EquationHard
Question
If f(x) = 2tan-1x + sin-1 
, x > 1, then f(5) is equal to
, x > 1, then f(5) is equal toOptions
A.
B.tan-1
C.4 tan-1(5)
D.π
Solution
2tan-1x + sin-1sin(2tan-1x)
2tan-1x + π − 2tan-1x
= π
2tan-1x + π − 2tan-1x
= π
Create a free account to view solution
View Solution FreeMore Trigonometric Equation Questions
A particle acted on by constant forces and is displaced from the point to the point . The total work done by the forces ...The equation of the normal to the curve y = x + sin x cos x at x = π/2 is-...The number of values of x in [0, 5π] satisfying the equation 3cos2x − 10cosx + 7 = 0 are-...The smallest positive root of the equation, tan x - x = 0 lies in...If sinθ + sin 2θ + sin 3θ = sin α and cosθ + cos2 θ + cos3θ = cosα, then θ ...