Find missing Angles using Sine,Cosine,Tangent

796 views · Published 14 June 2014 · 7:05 · Indexed 29 October 2026

Channel: MooMooMath and Science · 2014 · Education

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Given side lengths of a triangle, how do you find the angle measure?
Follow these steps ....
1.From the unknown angle, decide which two sides you have,(opp, adj or hyp)
2.Decide the Trig function needed, (Sin, Cos, or Tan)
3.Set up the problem.  
4. Solve using the 2nd function keying above
Practice 1 Find measure angle D
 Practice 2 Find measure angle K
1 Practice 3 Given a right triangle use trig tinctions to find angle R

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