SelectSmart.com®Before you decide Over 20,000 selectors Make A Quiz Or Flowchart Make selector quiz 4me: Save, share & discuss Make a flowchart Join our forums
 Free Counter
Triangles, Trig, Law of Cosines & Law of Sine - Education...a SelectSmart.com Flowchart
Triangles, Trig, Law of Cosines & Law of Sine
By Math
Viewed 1985 times since July 2013.

This SelectSmart.com Education. flowchart, a free online decision tool is a creation of Math and for amusement purposes only. The implicit and explicit opinions expressed here are the author's. SelectSmart.com does not necessarily agree.

Information and items from Amazon.com
you may find helpful.

 Search for more flowcharts New, improved, free: Make a flowchart

 use 30-60-90 or 45-45-90.

YES
 Is it an special right triangle?

YES
 Is it a right triangle?

NO
 Do you have the measurement of two side lengths and an angle OR three side lengths?

NO
 Use law of sine.

NO
YES

 5,12,13 or 3,4,5 or 7,24,25

YES
 Is it a pythagorean triple?

 Use law of Cosines.

NO

 Use the trig ratio of Tangent: Tan(theta)=opp/adj

NO
 Do you have the measurement of the length of the hypotenuse?

YES

 Use the trig ratio of Cosine: Cos(theta)=adj/hyp

YES
 Do you have the the measurement of the length of the side adjacent to the angle provided? (measurement of adjacent side?)

NO

 Use the trig ratio of Sine: Sin(theta)=opp/hyp