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Regarding the trigonometric series, Why

Where did the exponential series come from?1 + x + x^2/2! + x^3/3!... Where did that number come from? and how is it used to get
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2. asked by Miranda
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Use the given function values and trigonometric identities (including the relationship between a trigonometric function and its
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2. asked by Mark
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Use the given function values and trigonometric identities (including the relationship between a trigonometric function and its
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2. asked by Mark
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Use the given function values and trigonometric identities (including the relationship between a trigonometric function and its
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2. asked by Mark
3. 1,045 views
Use the given function values and trigonometric identities (including the relationship between a trigonometric function and its
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2. asked by Mark
3. 826 views
Use the first five terms of the trigonometric series to find the value of sin pi/12 to four decimal places.a. 0.2618 b. 0.2588
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2. asked by Sophie
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Write the following trigonometric expression as an algebraic expression in x free of trigonometric or inverse trigonometric
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2. asked by Matthew
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If x = 6sinθ, use trigonometric substitution to write square root 36-x^2 as a trigonometric function of θ, where where 0<θ<
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2. asked by sophie
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State a trigonometric ratio that is equivalent to each of the following trigonometric ratiosSin 3pie/10 Cos 6pie/7
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2. asked by Melissa
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If x = 9tanθ, use trigonometric substitution to write square root 81 + x^2 as a trigonometric function of θ, where -pi/2 < θ
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2. asked by sophie
3. 1,457 views