List of top Mathematics Questions on Some Applications of Trigonometry asked in TS POLYCET

In \( \triangle ABC \), if \( AB = 6\sqrt{3} \) cm, \( AC = 12 \) cm and \( BC = 6 \) cm, then the angle \( B \) is:
If \(\cot \theta = \frac{b}{a}\) then \(\frac{\cos \theta + \sin \theta}{\cos \theta - \sin \theta}\)=
The value of \(\frac{1 - \tan^2 45^\circ}{1 + \tan^2 45^\circ}=\)