Respuesta :

1.  Make the unknown side the numerator of a fraction, and make the known side the denominator.Unknown
 Known
 =  a 
10
2.  Name that function of the angle.Unknown
 Known
 =  a 
10
 = sin 36°
3.  Use the trigonometric Table to evaluate that function.Unknown
 Known
 =  a 
10
 = sin 36° = .588
4.   Solve for the unknown side.

a = 10 × .588 cm = 5.88 cm


if I knew the question it gave you I might could help  but this what I wrote down is an example


See the attached picture for a full overview. To get you started, you must subtract 90° and 10° from 180° to find angle A, then use the law of sines to find side b, and then pythagorean's theorem to find side c.
Ver imagen mikearnold1593
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