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How to Use the Sine Rule to Find the Unknown Obtuse Angle : High School Math

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How to Use the Sine Rule to Find the Unknown Obtuse Angle : High School Math

30,141 views October 25, 2013 4:10

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One way to find an unknown obtuse angle is through the use of the sine rule. Find out how to use the sine rule to find the unknown obtuse angle with help from an experienced math tutor in this free video clip.

Expert: Ryan Malloy
Filmmaker: Patrick Russell

Series Description: High school mathematics doesn't just stop being useful once you've finished your class work for the day. Find out how to understand and use high school mathematics with help from an experienced math tutor in this free video series.

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eHowEducation published this 4:10 video tutorial on October 25, 2013. It has been watched 30,141 times on YouTube.

Channel: eHowEducation
Category: Howto & Style
Duration: 4:10
Published: October 25, 2013
Views: 30,141
Likes: 277

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Further reading

The sine rule - Using the sine and cosine rules to find a side or angle ... bbc.co.uk
The sine rule can be used to find an angle from 3 sides and an angle, or a side from 3 angles and a side. The cosine rule can find a side from 2 sides and the included angle, or an angle from 3 sides.
Law of Sines or Sine Rule (solutions, examples, videos) onlinemathlearning.com
The Law of Sines is also known as the sine rule, sine law, or sine formula. It is valid for all types of triangles: right, acute or obtuse triangles. The Law of Sines can be used to compute the remaining sides of a tria…
Using the Law of Sines to Find an Unknown Angle softschools.com
Practice: Use the Law of Sines to find the given angle for each triangle. Round your answer to the nearest tenth if necessary. Note: If you are not given a picture (as in these questions), you can either draw a picture…
How to Use the Sine Rule: 11 Steps (with Pictures) - wikiHow wikihow.com
To find the value of the sine of an angle, such as ⁡ in the problem above, you can use most handheld calculators with trigonometric functions. Different calculators operate differently. With some calculators, you will e…

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