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Popular >

arctan(-0.4)

Solution

arctan (- 0.4)

Solution

- arctan (\frac{2}{5})

+1

Decimal Notation

- 21.8

Solution steps

arctan (- 0.4)

= arctan (- \frac{2}{5})

Use the following property:

arctan (- x) = - arctan (x)

arctan (- \frac{2}{5}) = - arctan (\frac{2}{5})

= - arctan (\frac{2}{5})

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Frequently Asked Questions (FAQ)

What is the value of arctan(-0.4) ?
The value of arctan(-0.4) is -arctan(2/5)