Question

If tan 3 theta = cot ( theta -18) than find theta

Answer 1

tan 3θ=cot(θ-18)
cot(90-3θ)=cot(θ-18)
cut cot from both sides
90-3θ=θ-18
90+18=θ+3θ
108=4θ
θ=$\frac{108}{4}$
θ=27