If \(\alpha+\beta=90°\) , then the value of \({(1-sin^2\alpha)(1-cos^2\alpha)*(1+cot^2\beta)(1+tan^2 \beta)}\) is.
500 soldiers in a fort had enough food for 30 days but 125 soldiers were transferred to another fort. For how many days did the food last then?
If a = 42 and b = 18, the value of a(a2 - 3a + 3) - b(b2 + 3b + 1) is
The list price of a motorcycle is 20% more than its cost price. It is sold at a discount of 30%. Find the dealer's loss percentage.
The value of \(sec\theta(1-sin\theta)(sin\theta+cos\theta)(sec\theta+tan\theta)\over sin\theta(1+tan\theta)+cos\theta(1+cot\theta)\) is equal to :