help!!!!!!!!

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673

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how do you make tan become tan-1

Guest May 25, 2016

edited by Guest May 25, 2016

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2⁺⁰ Answers

+118651

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arc tan is the same as inverse tan

so use

[2nd] [atan]

Melody May 25, 2016

+9665

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press 2nd button

MaxWong May 25, 2016

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