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I thin everyone gave you a bad rap. When two sides of a right triangle are known, the pythagorean theorem can be used to solve it.
We may know this as a^2 + B^2 = c^2 or
better yet:
a^2 + b^2 = h^2
where h is the hypotenuse or the longest side. The hypenuse is also the side across from the right angle.
While we are at it:
Oscar had aheadache over algebra
and also remember sine, cosine and tangent
So from Oscar Had we get O/H = sine theta
and A/H we get ajacent/hypotenuse = cos theta
and O/A we get Opposite/Hypotenuse or Tangent theta
All the sine theta = O/H says is that the oposite side divided by the adjacent side of the angle between them are related by the ratio equal to the sine of the angle.
Just be careful with radians and degrees. If when using a calculator, you can always check say the sin (2*PI) and if you get something near zero it's in radians mode and not degrees.
(Sorry, couldn't resist)
And that's not against the rules, on the contrary, that's what the rules say:
Linear Mode
