A Cassini projection is a map projection defined by
 |  | ![sin^(-1)[cosphisin(lambda-lambda_0)]](/images/equations/CassiniProjection/Inline3.svg) |
(1)
|
 |  | ![tan^(-1)[(tanphi)/(cos(lambda-lambda_0))].](/images/equations/CassiniProjection/Inline6.svg) |
(2)
|
The inverse formulas are
 |  |  |
(3)
|
 |  |  |
(4)
|
where
 |
(5)
|
Cassini Projection
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References
Snyder, J. P. Map Projections--A Working Manual. U. S. Geological Survey Professional Paper 1395. Washington, DC: U. S. Government Printing Office, pp. 92-95, 1987.Referenced on Wolfram|Alpha
Cassini ProjectionCite this as:
Weisstein, Eric W. "Cassini Projection." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/CassiniProjection.html