Trig Segments


 

Hint: Consider similar triangles. . .

Extension: What trigonometic identities can be stated directly from this drawing?

Click here for a GSP file to manipulate.


Reference:

Bonsangue, M. V. (1993).  A Geometric Approach to the Six Trigonometric Ratios.   The Mathematics Teacher, (86(6), 496-498.


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