Palestine Journal of Mathematics , ISSN 2219-5688

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DERIVATION OF THE HALF-SIDE TANGENT FORMULAS VIA LAGRANGE’S THEOREM (FOR POLAR SPHERICAL TRIANGLES)

Authors:

Lucas Antonio Caritá, Carla Patrícia Ferreira dos Santos and Marta Cilene Gadotti

file:

PJM_November_2021_446_to_455.pdf

volume:

Vol 11 (1), 2022