ogatalata ogatalata

02-03-2018
Mathematics

contestada

evaluate tan^-1 (-1)

(Is the answer -pi/4??)

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Swim4Ever02 Swim4Ever02

02-03-2018

The answer to is tan^-1(-1) is -45.
I don't know the answer with the pi.

Answer Link

jameslone78pd1xtk jameslone78pd1xtk

06-08-2018

The answer is -.78

1. Plug numbers into calculator using second tan.
2. Take -45 and multiply it by pi/180
3. The result is -.78

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