Flat surface like blackboard is classified as
A). plane
B). vertex plane
C). triangular plane
D). trigonometrical plane
1. What is the value of Sec 30° + Tan 60°?
2. What is the value of $\frac{cos^{2}A}{(1 + sinA)}$?
3. If secθ = \(\sqrt {2 + \sqrt {2 + \sqrt {2 + \ldots \infty } } } \) then cosθ (1 + 2cos θ) =?
6. If conversed sin θ= 0.134, find the value of θ
7. If cos 45° - sec 60° = x, then the value of x is
10. .If sinθ x cosθ = ½ . The value of sinθ cosθ is where 0°< θ< 90°