Use the figure below. (a) Explain why ÎABC, ÎADE, and ÎAFG are similar triangles. (b) What does
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(a) Explain why ÎABC, ÎADE, and ÎAFG are similar triangles.
(b) What does similarity imply about the ratios
(c) Does the value of sin A depend on which triangle from part (a) is used to calculate it? Does the value of sin A change when you use a different right triangle similar to the three given triangles?
(d) Do your conclusions from part (c) apply to the other five trigonometric functions? Explain.
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