Law of sines - Wikipedia
How to find the length of a side in a triangle if you know two angles and the length of another side - Quora
Is there a difference when using sin, cos and tan with a 90 degree triangle and one without such a corner? - Quora
What are the angles of triangle ABC when a=15, b=12, and c=18? - Quora
Why do I need to know about the law of cosines? When do you use it in real life? - Quora
Why do they teach sin, cos, sec etc. in studies? How are they useful in normal life? - Quora
How to calculate the distance of the side in the triangle while given 2 sides and the angle that is not between those 2 given sides - Quora
A triangle has sides equal to 4m, 11m and 8m. What are its angles (round answers to nearest tenth)? - Quora
Can you use Heron's formula on a right angled triangle? - Quora
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How to derive Heron's Area Formula - Quora
The lengths of the angle bisectors of a triangle are in the ratio 3, 4 and 5, can you construct this triangle using only a compass and straightedge? - Quora
A triangular lot having a distance AB is 406 m and distance AC is 600 m. Distance BC can't be measured since the sight is covered by huge trees. The included angle
In triangle ABC, if angle A=80°, angle B= 70°, then what is the longest and the shortest side of the triangle? - Quora