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Trigonometry Stars indicate particularly interesting answers or
good places to begin browsing. Selected answers to common
questions: Volume of a tank. - Averaging Two Angles [06/08/1999]
How do you take the average of two or more angles? - Basics of
Trigonometry [12/12/2001] Why is trigonometry important? How is
it used in the real world? - Calculating Height in the Air
[11/14/2001] I need to know the formula for calculating the
height of an object, like how high in the air an object is. -
Carrying a Ladder around a Corner [02/28/2003] A ladder of
length L is carried horizontally around a corner from a hall 3
feet wide into a hall 4 feet wide. What is the length of the -
Changing a Trigonometric Graph [08/06/1998] How do you graph:
-cos 2x / 2? - Curious Property of a Regular Heptagon
[04/06/2001] How can I prove that in a regular heptagon ABCDEFG,
(1/AB)=(1/AC)+(1/ - Defining the Six Trigonometric Functions on
the Unit Circle [09/11/2003] I can find