Trigonometry

Given a right triangle (see Figure D.1), the following can be defined:

Figure D.1. Right triangle, showing the relationship between hypotenuse, contiguous, and opposite edges.

graphics/dfig01.gif

And here are some obvious relationships regarding trigonometric constants:

 sin2(a)+cos2(a)=1 sin(a)=cos(b) cos(a)=sin(b) 


Core Techniques and Algorithms in Game Programming2003
Core Techniques and Algorithms in Game Programming2003
ISBN: N/A
EAN: N/A
Year: 2004
Pages: 261

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