# MATA36H3 Lecture 1: review of 30

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6 Feb 2019
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## Document Summary

Derivatives sin ex ) cos cx) cos tan. X ) cos x ex ) t cos 4 7=1 odd even tank x ) t. B and range a f- " f- cfex ) ) a f un ) The inverse function fox ) ex and f - f. I i cancels the original function f . ex ) Lux are inverse functions , for f life xd. Ince " ) x f of - ex ) ) = eh x. } are cancelled the domain is different . By restricting the domain of functions = six wsx tan. X , we attain their inverse sin x : 0 is in the correct domain required i. } the value of arc function a always an angle. Draw a triangle with angle o with adjacent. )[dx]= derivative fix ) of dx means x is the integration variable , it can be omitted.