how do i change it to tan-1

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how do i cahnge it to tan-1

Guest Feb 10, 2015

+130511

+5

Best Answer

Hit the "2nd" button....you will see the "atan" key.....it's the same as tan-1.....

CPhill Feb 10, 2015

CPhill · Answer 1 · 2015-02-10T10:27:05

Hit the "2nd" button....you will see the "atan" key.....it's the same as tan-1.....

Guest · Answer 2 · 2015-02-10T10:40:33

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