If \(sec \theta + \frac{1}{cos \theta}=2\), find the value of \(sec^{55} \theta + \frac{1}{sec ^{55} \theta}\).
A house of height 100 metres subtends a right angle at the window of an opposite house. If the height of the window is 64 metres, then the distance between the two houses is
The value of cos1°. cos2°.cos3°..........cos179° is
3 men or 5 women can do a work in 12 days. How long will 6 men and 5 women take to finish the work?
A can run 22.5 m while B runs 25 m. In a kilometre race B beats A by: