$\mathrm{A}=\cos \theta$ এবং $\mathrm{B}=\sin \theta$

$\mathrm{P}=\cot \theta, \mathrm{Q}=\operatorname{cosec} \theta$ এবং $\mathrm{R}=\cos \theta$.

$\Delta \mathrm{A}=\tan \theta+\sec \theta$.

$\mathrm{p} \sin \theta+\mathrm{q} \cos \theta=\mathrm{r}$ এবং $\tan \alpha=\mathrm{x}-\mathrm{sec} \alpha$.