CHAPITRE VI. — OPERATIONS COMPLEMENTAIRES. 



(33) 



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— - T— <-' e COS (il / ) 



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+'"'^l-^^'^i<^«^('>^+o 



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,aM /33 , , i65 , , ,\ «' 27 , ,«'M / , u\ 



"75 lU^ "■ --64-' ^ ^ ) « +7i^ "> rO*(2ê' + 2^- ^ ) 



(39) 



^-|5Îfr--f,.»-^,w^-^,v»J-lfiZ,v.>-(eos(>^ + ./_.0 



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a' .59 



+ '"'|5--^/-"COs(2g-+2/— 3/') 



(41) 



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+ '"'|5--^v''^"cos(2g' + a/+ 3/') 



(44) 



