If cos 3θ=√32; 0∘<θ<20∘ , then value of θ is:

1.	If cos 3θ=√32; 0∘<θ<20∘ , then value of θ is:
Answer» If $c o s 3 θ = \frac{\sqrt{3}}{2}$ ; $0^{\circ} < θ < 20^{\circ}$ , then value of $θ$ is:

Discussion