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Using the trigonometric identity: (sec(x))^2 = (tan(x))^2 + 1 we get to (tan(x))^2 + 2tan(x) + 1 = 0. We can express this result as the multiplication of 2 equal factors arriving at (tan(x) + 1)^2 = 0. Th...

For: Nationalism can be defined as an intense form of patriotism and those with nationalist tendencies in the early 20th century celebrated the culture and achieve...

Debussy's 'The Little Shepherd' is a short piano miniature which juxtaposes moments of graceful, soloistic monophony with harmonically colourful passages of melody-dominated homophony. The key of this mus...

A government can use a progressive tax system to redistribute income. The way this works is that as income rises, you pay a higher portion of that income in taxes. This is probably the most common way to ...

During time of high discharge the river becomes wider, deeper and rounder. As the discharge has increased the water will flow faster and have more energy. The increase in energy means there is more fricti...