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Mathematics 11 Online
OpenStudy (anonymous):

Why are trigonometric ratios used in Geometry?

OpenStudy (agreene):

you mean like sine, cosine, and the like? They are very useful--in all forms of geometry to determine the interactions between objects in planes and how planes interact and the like.

Directrix (directrix):

The relationships between the angles and the sides of a right triangle are expressed in terms of TRIGONOMETRIC RATIOS.

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