How To Calculate The Missing Side Length of a Triangle

This trigonometry video tutorial explains how to calculate the missing side length of a triangle. Examples include the use of the pythagorean theorem, trigonometry ratios such as sine, cosine, & tangent in SOH CAH TOA, the law of sines, the law of cosines, and using the geometric mean to calculate the altitude to hypotenuse triangle problems.
Full-Length Math & Science Videos:
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Basic Trigonometry:
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Law of Sines:
• Law of Sines, Basic In...
Law of Cosines:
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Angle of Elevation Problems:
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Evaluating Trig Functions Given a Point:
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Exact Value of 5 Remaining Trig Functions:
• How To Find The Exact ...
Evaluate Trig Functions Using Reference Angles:
• How To Use Reference A...
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How To Graph Trig Functions:
• Graphing Trigonometric...
How To Graph Sine and Cosine:
• How To Graph Trigonome...
Evaluating Inverse Trig Functions:
• Evaluating Inverse Tri...
Finding The Missing Angle of a Triangle:
• How To Calculate The M...
Two Triangle Trigonometry Problems:
• How To Solve Two Trian...
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Bearings Vs Direction - Word Problems:
• Bearings vs Direction ...
Bearing Problems and Navigation:
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Two Triangle Problems - More Examples:
• Trigonometry - How To ...
Trigonometry Final Exam Review:
• Trigonometry Final Exa...
Final Exams and Video Playlists:
www.video-tutor.net/

[@TheOrganicChemistryTutor]

Final Exams and Video Playlists: www.video-tutor.net/ Full-Length Videos & Worksheets: www.patreon.com/MathScienceTutor/collections Next Video: kzbin.info/www/bejne/anXZZnx8pqaHqMU

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this looks like 7th grade maths

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it’s 5am and i need to get math done so here i am. I HATE MATH. i’ve never hated a triangle so much in my life 😐 i hope this helps 😂

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[@wayneking6667]

Question.. why didn't you minus 180-30 to get the other angle ..interval 19:26. So you would end up with angles 20 degree and 150 degree

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Thanks man.I always confused myself with the Pythagoras theorem,especially which side refers to c^2,a^2 and b^2

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When calculating the sine of an angle do i use degree mode or radian mode?

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[@nursesrock4264]

For the TOA problem with the 60 deg angle, I was confused as to why the (Tan "square root 3") was used and the 60 degrees was not used in the formula at all. So no matter what the angle is when you use TOA, you always substitute "square root 3/1 = opp/adj?

[@nursesrock4264]

okay for some reason when i do tan 60 or with the other problem tan 30, i never get a square root , i get a 8 or 9 digit number . my calculator is in deg mode . not sure what im doing wrong

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If I have an equation like the first one (8^2 + y^2 = 12^2) the answer that I got was 8.9 but that is approximating. How would I put that in simplest form, without approximating?

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what about similar triangles? and triangles in a circle?

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