Q. 2 F3.8( 4 Votes )

# Find the general solutions of the following equations :tan 3x = cot x

Ideas required to solve the problem:

The general solution of any trigonometric equation is given as –

• sin x = sin y, implies x = nπ + (– 1)ny, where n Z.

• cos x = cos y, implies x = 2nπ ± y, where n Z.

• tan x = tan y, implies x = nπ + y, where n Z.

Given,

We know that: cot θ = tan (π/2 – θ)

If tan x = tan y, then x is given by x = nπ + y, where n Z.

From above expression, on comparison with standard equation we have

y =

,where n ϵ Z …..ans

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