Find the value of tan 27° tan 34° + tan 34° tan 29° + tan 29° tan 27°.
A coconut merchant finds that the cost price of 2750 coconuts is the same as the selling price of 2500 coconuts. His loss or gain percent is
If \(tan^2θ = 1-e^2\) , then the value of \(secθ + tan^3 θ.cosecθ\) is:
One dozen notebooks quoted at Rs. 125 are available at 20% discount. How many notebooks can be bought for Rs. 75?
A and B working alone can complete a work in 8 days and 12 days, respectively. They started working together, but A left 2 days before completion of the work. In how many days was the work completed?