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Copy of DIY Maths: Find an unknown angle measure


In this module, you can study how to use trig ratios (sine, cosine and tangent) to find an unknown side length or unknown angle measure in a right triangle.


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The sine, cosine and tangent ratios we're studying here ONLY work with right triangles.

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solving right triangles with trigonometry
solving right triangles with sines, cosines and tangents

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