The value of \({3 \over 1.2}+{3 \over 0.12} + {3 \over 0.012}+ ....upto \space8\space terms..is\)
Two pipes can fill a tank in 15 hours and 4 hours, respectively, while a third pipe can empty it in 12 hours. How long (in hours) will it take to fill the empty tank if all the three pipes are opened simultaneously?
If \(tan\theta = {a \over b}\), then \({a.sin\theta + b.cos\theta \over {a.sin\theta - b.cos\theta}}\) is:
If \(tan^2θ = 1-e^2\) , then the value of \(secθ + tan^3 θ.cosecθ\) is:
If x cosA - y sinA = 1 and x sinA + y cosA = 4, then the value of \(17x^2+17y^2\) is: