不說謊就會死的職業 你分的清嗎?
Derivatives of inverse trigonometric functions - An approach to calculus 不說謊就會死? 一些在外國人看來很正當、很正直的職業,在這個特定的社會環境裏,就變成了“說謊話不打草稿”的職業,諸如房地產仲介、咨詢公司、乞丐等等。要從事這樣的職業,老老實實卻沒有幾個說謊的招數,很難混下去。相反,在這些職業裏,要是把謊話說得跟真的一樣,令客戶深信自己掏腰包Now, according to the theorem of Topic 19 of Trigonometry: that product is never negative. Therefore to ensure that, rather than replacing sec y with x, we will replace it with |x|. And in Problem 2 we will take only the positive root of tan y. Therefore,...
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