Oblique Triangles:
An
oblique triangle is any triangle that is not a right triangle. It could be an
acute triangle (all threee angles of the triangle are less than right angles)
or it could be an obtuse triangle (one of the three angles is greater than a
right angle). Actually, for the purposes of trigonometry, the class of
"oblique triangles" might just as well include right triangles, too.
Then the study of oblique triangles is really the study of all triangles.
è No
right angle
Solution
a.) Law
of sines
b.) Law
of cosines
1.)
2.)
3.)
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