What is the arctangent of 0 ?

arctan 0 = ?

The arctangent is the inverse tangent function.

Since

tan 0 = tan 0º = 0

The arctangent of 0 is equal to the inverse tangent function of 0, which is equal to 0 radians or 0 degrees:

arctan 0 = tan^-1 0 = 0 rad = 0º

See also

• Arctan
• Arctan calculator
• Arctan of 1
• Arctan of 2

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