एक समकोण त्रिभुज में, त्रिकोणमितीय अनुपात sin(θ) को इस प्रकार परिभाषित किया गया है:

The 'Drain of Wealth' theory was propounded by which Indian nationalist leader?

Which event is considered the turning point in Mahatma Gandhi's leadership in the Indian independence movement?

Which African leader is known for his non-violent opposition to colonial rule?