Headquarters: New York,United States Founded: 11 December 1946 Head: Catherine M. Russell
If cos 2θ = 3/4, find the value of sin² θ.
A car covers a distance of 450 km at a constant speed. If the car’s speed had been 15 km/h faster, it would have taken 1 hour less to cover the same d...
If sec θ + tan θ = 5, then find the value of sin θ.
A and B start a business with investments of ₹50,000 and ₹40,000, respectively. After 6 months, C joins with an investment of ₹60,000. At the end ...
A car travels a distance of 240 km in 4 hours. If it increases its speed by 20 km/h for the next 3 hours, how much distance will it cover in total?
P. A can complete a piece of work in14 days and B can do the same work in 5 days. If B starts the work and they work on alternative days. Find total no....
Find the value of cos 15° × cos 75° + sin 15° × sin 75°:
If a person invests ₹50,000 in a scheme offering a compound interest of 5% per annum, calculate the total amount he will have after 3 years. Assume th...
A sphere has a volume of 288π cubic units. What is the diameter of the sphere?