You need to become familiar with the keys on your calculator in order to avoid these pitfalls. It has a different function. Mode Calculators have various methods of displaying numbers. Frequently mathematics problems are done using radians. Science problems are frequently done using degrees.
Most calculators can deal with either form of angle measurement.
Which form is being used is another thing which is determined by the calculator s mode. It is easy to forget that there are different ways to express angles when doing problems. The correct answer is 50. Robert W. Harris Click here to return to the contents page.