Question : What is the value of $\sin 28° \sin 35° \sin 45° \sec 62° \sec 55°$?

Option 1: $2$

Option 2: $\frac{1}{\sqrt{2}}$

Option 3: $\sqrt{2}$

Option 4: $\frac{1}2$

Question : Using $\tan (A-B)=\frac{\tan A-\tan B}{1+\tan A \tan B}$, find the value of $\tan 15°$.

Option 1: $\sqrt{3}+1$

Option 2: $\sqrt{3}-1$

Option 3: $2-\sqrt{3}$

Option 4: $2+\sqrt{3}$

Question : What is the value of $\frac{\tan 45^{\circ}-\tan 15^{\circ}}{1+\tan 45^{\circ} \tan 15^{\circ}}$?

Option 1: $\sqrt{3}$

Option 2: $\frac{1}{\sqrt{2}}$

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

Option 4: ${\sqrt{2}}$

Question : The value of $\tan 5^{\circ} \tan 25^{\circ} \tan 45^{\circ} \tan 65^{\circ} \tan 85^{\circ}$ is ______.

Option 1: 4

Option 2: 3

Option 3: 1

Option 4: 2

Question : If $\tan (A+B)=\sqrt{3}$ and $\tan (A-B)=\frac{1}{\sqrt{3}}; 0°<(A+B)<90°; A > B$, then the values of $A$ and $B$ are respectively:

Option 1: 45° and 15°

Option 2: 15° and 45°

Option 3: 30° and 30°

Option 4: 60° and 30°