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- May 20th 2008, 05:54 AM #1

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## How To Use Sin, Cos or Tan?

Okay I know when to use Sin, Cos or Tan but I don't know how. I'm completely lost here so could someone please explain to me how to use Sin, cos and tan properly? I've got an exam tomorrow which will decide if I get moved classes or not, and I have to pass this.

This is my first post so I hope this is in the right place.

- May 20th 2008, 06:28 AM #2

- May 20th 2008, 09:27 AM #3

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- May 20th 2008, 09:53 AM #4
Tangent of an ANGLE is equal to the OPPOSITE side divided by the ADJACENT side.

Perhaps, the trick SOH-CAH-TOA will help you.

Reviewing trig functions make help you a lot.