In high school, you probably learned that trigonometric functions – like sine, cosine and tangent –can be derived, geometrically, from a circle (hence why trig functions are also known as “circular” ...

The areas of the whole triangle and the inscribed circle are obviously not equal. The areas differ by 6266.205638 square centimeters. The triangle is a 30°- 60° – 90° triangle. Find the area A of the ...