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.
Arc â part of the circumference (edge) of the circle. The measure of an arc is equal to the measure of. the central angle formed by its endponts. Arcs are named by their endpoints. The dashed arc to the. right would be called arc AB. or arc BA, the order of. the endpoints does not matter.