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TEORIA IN SINTESI · TE SINTESI 14 T a -a a O y x a-a sin^h- =-aasin cos^h -=aacos tan^h- =-aatan cot^h- =-aacot O x 2r-a a sin^h2r- =-aa cos^h2ra a tann^h2ra- =- a ^h2ra- =- a
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