The most general value of θ satisfying tanθ+tan(3π4+θ)=2 are
Simplifying it, tanθ+tanθ−1tanθ+1=2 tanθ(1+tanθ)+tanθ−1=2(1+tanθ) tan2θ=3 tanθ=√3=tanπ3 So, θ=nπ±π3
Consider the system of linear equations in x, y and z ; (sin 3θ) x - y + z = 0 ......(i) (cos 2θ)x + 4y + 3z = 0 ......(ii) 2x + 7y+ 7z = 0 ......(iii) The value of θ for which the system has nontrivial solution is