Trig basics made easy

This site Quick Lessons in Trigonometry explains basic trig identities alot easier than most books I have read, and it includes a nice formula sheet to help in learning the formulas needed- hope this helps :D

Waaa look at the identities
the negatives part
how come cos (- alpha) = - cos ( alpha )???

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Originally Posted by ^_^Engineer_Adam^_^

Waaa look at the identities
the negatives part
how come cos (- alpha) = - cos ( alpha )???

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It's just wong, cos is an even function and cos(-alpha)=cos(alpha).

RonL

problem fixed guys- sorry about the mistake- I haven't done alot of debugging yet- let me know if you find anything else-

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Originally Posted by mathwhiz14

problem fixed guys- sorry about the mistake- I haven't done alot of debugging yet- let me know if you find anything else-

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The first couple of units seem to be okay. However, the links at the bottom of the page all link to the Google ads.

-Dan