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I plugged in a hypotenuse of 5 and input angle 30. &nbsp;I got back side1 = 4.3301 and side2 = 2.5; side2/hypotenuse = 2.5/5 = 0.5 = sin(30).
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I plugged in a hypotenuse of 5 and input angle 30.  I got back side1 = 4.3301 and side2 = 2.5; side2/hypotenuse = 2.5/5 = 0.5 = sin(30).

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In Windows:<br />
Start &gt;&nbsp;Run &gt;&nbsp;Calc<br />
Then type:<br />
5 * 30 sin =<br />
5 * 30 cos =<br />

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In Windows:
Start > Run > Calc
Then type:
5 * 30 sin =
5 * 30 cos =


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I just asked this but the formulas given to me still aren't working ...<br />
<br />
What are the formulas used in this site:<br />
<br />
<a href="http://www.1728.com/trig.htm" rel="ugc">http://www.1728.com/trig.htm</a>
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I just asked this but the formulas given to me still aren't working ...

What are the formulas used in this site:

http://www.1728.com/trig.htm

Calculating 2 sides of right triangle if you only know the hypotenuse and angle?

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