5 a) By using identity cos(4 B) cos Acos B sin Asin B, prove that 4sec' 0 3 tan' 0 sed 30)sec(0 30) b) Using the result in (a), solve sed 30 )sed0 30) tan' 0 for 180 sos 180 5 a) By using identity cos(4 B) cos Acos B sin Asin B, prove that 4sec' 0 3 tan' 0 sed 30)sec(0 30) b) Using the result in (...

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5. a) By using identity cos(4+B)=cos Acos B-sin Asin B, prove that 4sec' 0 3-tan' 0...

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An Introduction to Analysis

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Authors: William R. Wade

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5. a) By using identity cos(4+B)=cos Acos B-sin Asin B, prove that 4sec' 0 3-tan' 0...

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An Introduction to Analysis

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