How to remember the basic Trigonometric ratios?
PBP/HHB "P"andit "B"adri "P"rasad/ "H"aar "H"aar "B"hole It's basically Sin, Cos, Tan and inverse being Cosec, Sec, Cot P- Perpedicular B- Base H0 Hypotenuse
List down some interesting facts of World Geography.
Estimated age of Earth- 4.6 billion years Total water area- 70.9% Land area- 29.1% Circumference at the equator 40,066 km The earth orbits the Sun at 66,700 mph Longest river - River Nile (6825 km) Largest desert- Sahara( 33 lakh square miles)
What are the characteristics pertaining to human geography which makes India different from other countries?
India is the seventh largest country in the world. It covers an area of more than 32 lakh square kilometers. India is the second most populated country in the world, having world's largest youth population. Around 41% of around 1.25 billion people is below the age of 20, making India a very young country. There are more than 50 cities in India with a population of more than a million. India is also the world's largest democracy since it gained independence from British in the year 1947.