inowalst
  • inowalst
sine, cosine, tangent
Mathematics
jamiebookeater
  • jamiebookeater
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inowalst
  • inowalst
I need help understanding them.
welshfella
  • welshfella
these are trigonometric ratios and apply to right angled triangles
welshfella
  • welshfella
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welshfella
  • welshfella
the top figure consists of 4 similar triangles (inside each other) similar triangles have all 3 corresponding angles equal and corresponding sides are in the same ratio OK so far? are you familiar with similar triangles?
welshfella
  • welshfella
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inowalst
  • inowalst
Yes. I am. ^

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