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Published byKelley Sherman Modified over 9 years ago
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The Inverse Sine, Cosine, and Tangent Functions Section 4.1
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Objectives Find the exact value of the inverse sine, cosine, and tangent functions. Find an approximate value of the inverse sine, cosine, and tangent functions.
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Inverse Functions sin -1 x (Domain [-π/2, π/2]) cos -1 x (Domain [0, π]) tan -1 x (Domain [-π/2, π/2]) Meaning: The sine/cosine/tangent of what angle equals x?
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Properties sin(sin -1 x) = sin -1 (sin x) = x cos(cos -1 x) = cos -1 (cos x) = x tan(tan -1 x) = tan -1 (tan x) = x
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Page 230 #13
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Page 230 (14-36 even, 46-56 even)
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