25.7.3 Given Conditions and Judging the Number of Solutions
Core ideaDepending on which sides and angles you're handed, a triangle may be unique, have two solutions, or none, so check the conditions before you dive in.
Module goal. We extend trig functions from the right triangle to any triangle, using the two great laws to convert freely between sides and angles, wrapping up this stage and handing the next, Sequences, a foundation of measurable relationships.