Question : If $\tan A=\frac{3}{8}$, then the value of $\frac{3 \sin A+2 \cos A}{3 \sin A-2 \cos A}$ is:

Option 1: $-\frac{13}{25}$

Option 2: $-\frac{25}{7}$

Option 3: $\frac{25}{8}$

Option 4: $\frac{13}{21}$

Question : If $\sin A=\frac{5}{13}$ and $7 \cot B=24$, then the value of $(\sec A \cos B)(\operatorname{cosec} B \tan A)$ is:

Option 1: $\frac{65}{42}$

Option 2: $\frac{13}{14}$

Option 3: $\frac{15}{13}$

Option 4: $\frac{13}{7}$

Question : If $\frac{21\cos A+3\sin A}{3\cos A+4\sin A}=2$, then find the value of cot A.

Option 1: $\frac{9}{11}$

Option 2: $\frac{11}{9}$

Option 3: $\frac{1}{3}$

Option 4: $\frac{11}{10}$

Question : If $\frac{\sin \theta+\cos \theta}{\sin \theta-\cos \theta}=\frac{3}{2}$, then the value of $\sin ^4 \theta-\cos ^4 \theta$ is:

Option 1: $\frac{5}{12}$

Option 2: $\frac{12}{13}$

Option 3: $\frac{11}{12}$

Option 4: $\frac{5}{13}$

Question : Simplify:
$\frac{\cos A}{1+\tan A}-\frac{\sin A}{1+\cot A}$

Option 1: $\tan A$

Option 2: $\cos A-\sin A$

Option 3: $\cos A \sin A$

Option 4: $\cos A+\sin A$