Simplify the following: [(cos A + cos B)/(sin A – sin B)] + [(sin A + sin B)/(cos A – cos B)]
A). 0
B). 1
C). sin A
D). cos A
4. If sinA = x, then x is equal to
5. What is the area (in sq cm) of a rectangle of perimeter 48 cm and breadth 10 cm?
6. What is the distance between the points (4,7) and (-1,-5)?
8. What is \(\sqrt {\frac{{1 + sin\theta }}{{1 - sin\theta }}}\) equal to?
10. If $\frac{\sqrt{[(1-cosA)]}}{2}$ = x, then the value of x is