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(trigonometry) arccosine
The calculation of arccosine is a part of trigonometry.
(trigonometry) cotangent
Please calculate the value of the cotangent, which is one of the trigonometric functions.
Vatican City; Vatican City State
Vatican City is the smallest country in the world.
flags of all nations
The flags of all nations are fluttering in the wind.
Nova Scotia (a province of Canada)
I live in Nova Scotia, Canada.
both countries
Exchanges between both countries are becoming more active.
classical (archaic) musical instrument
He has a collection of classical musical instruments.
Alternative spelling of ちょうこくぐ座 (“Caelum”)
Caelum is one of the constellations in the southern hemisphere.
(astronomy) Caelum
Caelum is one of the lesser-known constellations.
Alternative spelling of ちょうこくしつ座 (“Sculptor”)
Sculptor is one of the constellations in the southern hemisphere.
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