Brian McLogan
Law of Sines Ambiguous Case - Two Cases
👉 Learn how to determine if a given SSA triangle has 1, 2 or no possible triangles. Given two adjacent side lengths and an angle opposite one of them (SSA or ASS), then there are 3 possible cases: there can be 1 solution, 2 solutions,...
Brian McLogan
Master Solving word problems using the law of sines
Master Solving word problems using the law of sines
Brian McLogan
How to use the law of sines to find the missing measurements of a triangle
👉 Learn how to solve for the length of the sides and the measures of the angles of a triangle using the law of sines. The law of sines is used in determining the length of the opposite side to a known angle measure or the measure of the...
Brian McLogan
Congruency statements for Law of Sines and Cosines
👉 Learn how to solve for the length of the sides and the measures of the angles of a triangle using the law of sines. The law of sines is used in determining the length of the opposite side to a known angle measure or the measure of the...
Brian McLogan
How to make sense of the ambiguous case problem
👉 Learn how to determine if a given SSA triangle has 1, 2 or no possible triangles. Given two adjacent side lengths and an angle opposite one of them (SSA or ASS), then there are 3 possible cases: there can be 1 solution, 2 solutions and...
FuseSchool
Sine Rule
Discover how to apply the Law of Sines to find unknown side and angle measures. A detailed video lesson describes the Law of Sines in different forms. The instructor completes two different examples that find both an angle and side...
FuseSchool
Sine or Cosine Rule?
Explore triangle problems that require the Law of Sine or Law of Cosine. A straightforward lesson focuses on deciding when to use each law. The instructor presents several triangles for pupils to consider and describes patterns in the...
Corbett Maths
Sine Rule – Missing Sides
Respect the rules. Young mathematicians watch a video in which the narrator explains the sine rule, or the law of sines. They see how to apply the law of sines to find a missing side of a triangle. A worksheet provides an opportunity for...
Curated OER
What is the Law of Sines?
The Law of Sines is derived in this video by using formula for the area of a triangle that multiplies _ times two adjacent sides and the sine of their included angle.
Khan Academy
Khan Academy: Trigonometry: Proof: Law of Sines
Video deriving the law of sines. Includes discussion of why it is useful. [6:33]
Math TV
Math tv.com: Triangles: An Ambiguous Case
The video tutorial investigates the law of sines and the ambiguous case. A worksheet consisting of practice problems and solutions is included to check for understanding of the concept. In the left hand menu, click on Trigonometry,...
Virtual Nerd
Virtual Nerd: What Is the Law of Sines?
The Law of Sines helps with finding a missing side or angle measurement of a triangle. Watch this tutorial to learn about this proportion. [5:57]
PatrickJMT
Patrick Jmt: The Law of Sines, Example 1
Easy to understand video gives the formula and provides an example pertaining to the Law of Sines. [3:54]
Khan Academy
Khan Academy: Solving for an Angle With the Law of Sines
Sal is given a triangle with two side lengths and one angle measure, and he finds all the missing angle measures using the law of sines.
Khan Academy
Khan Academy: Solving for a Side With the Law of Sines
Sal is given a triangle with two angle measures and one side length, and he finds all the missing side lengths and angle measures using the law of sines.