Trigonometric EquationHard
Question
In =
tann x dx then 
n [In + In-2] equals
tann x dx then n [In + In-2] equalsOptions
A.
B.1
C.∞
D.zero
Solution
tann x(1 + tan2 x)dx =tann x sec2 xdx =
tndt where t = tan x In + In + 2 =
; ⇒ 
n[In + In+2] = 
Create a free account to view solution
View Solution FreeMore Trigonometric Equation Questions
Let A and B denote the statements A : cosα + cosβ + cosγ = 0 B : sinα + sinβ + sinγ = 0 If...If x = y cos = z cos , then xy + yz + zx =...The angle between the lines whose direction consines satisfy the equations l + m + n = 0 and l2 = m2 + n2 is...The general solution of the equation cos x + sec x = 2 is given by-...The values of x ∈ [−2π, 2π] such that , i = , is purely imaginary, are given by -...