If \(tan^2θ = 1-e^2\) , then the value of \(secθ + tan^3 θ.cosecθ\) is:
Person A can do one-fifth of the work in 3 days, while B's efficiency is half of that of A. In how many days A and B working together can do half of the work?
sin(40° +θ)⋅cos(10° +θ)−cos(40° +θ)⋅sin(10° +θ) is equal to
\(\rm \frac{cosA+cosB}{sinA-sinB}=\)
Find the annual installment that will discharge a debt of Rs 12900 due in 4 years at 5% per annum simple interest.