If cosec 45° - sin 30° = x, then x is
1). $\frac{5}{√3}$
2). $\frac{√6-1}{√2}$
3). √3+2
4). $\frac{2√2-1}{2}$
1. At least one diagonal bisects the other in a _____.
2. If √(1 - sin2A) = x, then the value of x is
3. What is the value of $(1/2) Cot 45^{0} + (1/3) Cosec 60^{0}$?
4. If tan x =1/2, tan y = 1/3, what is the value of tan (x + y)?
7. If \(\sin A - \cos A = \frac{{\sqrt 3 - 1}}{2}\), then the value of sin A. cos A is
8. Minimum value of \(20{\sec ^2}{\rm{\theta \;}} + {\rm{\;}}5{\rm{\;cose}}{{\rm{c}}^2}{\rm{\theta }}\)