If you come from Visa-waiver countries, you don't need a visa to enter New Zealand, but are still required to provide: 1  Travel tickets or evidence of onward travel arrangements.2  Evidence that you can support yourself in New Zealand (approximately NZ$1000 per month per person).hen you arrive in New Zealand, youâll need to be carrying a passport that is valid for at least three months beyond your intended departure date. Many people will qualify for visa-free entry, but depending on your country of origin, some will need to apply for a visa before they travel.
arctan - the inverse function of the tangent; the angle that has a tangent equal to a given number. arc tangent, arctangent, inverse tangent. circular function, trigonometric function - function of an angle expressed as a ratio of the length of the sides of right-angled triangle containing the angle.
arco m (plural arcos) ( 1 geometry) arc. 2  arc, curve. ( 3 architecture) arch.  bow 1  (weapon) bow (rod used to play stringed instruments) ( dentistry) archwire (orthodontic wire conforming to the alveolar or dental 1  arch) (ophthalmology) arcus (white band of cholesterol that forms at the edge of the cornea)