Sine Island

Sine Island (53˚34'00" 129˚58'00" N of Anger I, off W side of Pitt I), Sine Point (NE end of Sine I). These features were named by a coast triangulation party under A E Wright, a surveyor with the BC Lands Service, in 1921. A sine is a mathematical ratio between the sides of a right-angled triangle and is used in surveying to measure gradients and distances. Other nearby features (Azimuth I, Logarithm Point, Cosine Bay, Cosine I, Cosine Point, Tangent I, Tangent Point) are also named after...

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