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A ray through the unit hyperbola x 2 − y 2 = 1 at the point (cosh a, sinh a), where a is twice the area between the ray, the hyperbola, and the x-axis. For points on the hyperbola below the x -axis, the area is considered negative (see animated version with comparison with the trigonometric (circular) functions).
Another example of 121 being one of the few numbers supporting a conjecture is that Fermat conjectured that 4 and 121 are the only perfect squares of the form (with x being 2 and 5, respectively). [2] It is also a star number, a centered tetrahedral number, and a centered octagonal number. A Chinese checkers board has 121 holes. In decimal, it ...
Reunification Day (Vietnamese: Ngày Thống nhất), also known as Victory Day (Ngày Chiến thắng), Liberation Day (Ngày Giải phóng or Ngày Giải phóng miền Nam), or by its official name, Day of the Liberation of the South and National Reunification (Ngày Giải phóng Miền Nam, thống nhất đất nước) [2] is a public holiday in Vietnam that marks the event when the ...
This sweater and wide-leg pant set looks way more high-end than the price suggests. The slouchy oversized silhouette is the perfect comfy, ready-for-a-cozy-day-at-home fit.
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The United States has asked Syria's Hayat Tahrir al-Sham (HTS) rebel group to help locate and free missing American journalist Austin Tice as it liberates the country's prisons in the aftermath of ...
Bob Bryar, who was a drummer with My Chemical Romance at the height of the band's popularity, has died, a spokesperson confirmed Sunday. Bryar was 44.
tap: tap the ball or pad of the foot against the floor, use your ankle not your whole leg. heel tap: strike the heel of the foot on the floor and release it immediately. step: place the ball of the foot on the floor with a change of weight. touch: place the ball of the foot on the floor without change of weight.