From the top of a lighthouse 70 m high with its base at sea level, the angle of depression of a boat is 15°. The distance of the boat from the foot of the lighthouse is :
Mathematics
2012
NDA Mathematics 2012
NDA 2012
Options
Similar Questions
Two dice each numbered from 1 to 6 are thrown together. Let A and B…
Two dice each numbered from 1 to 6 are thrown together. Let A and B…
An urn contains one black ball and one green ball. A second urn contains one…
An urn contains one black ball and one green ball. A second urn contains one…
What is the most probable number of successes in 10 trials with probability of success…