Cosine is an unincorporated community in the Rural Municipality of Heart's Hill No. 352, Saskatchewan, Canada. It is located about 5 kilometres from the Alberta-Saskatchewan border.

History

Named after Cosine Lake, which is about 3 kilometres north. The name comes from when one of the surveyors in the area made an error in calculation during his work.

See also

• St. Joseph's Colony
• List of communities in Saskatchewan