Trigonometry by Ratti, J. S.

College Algebra and Trigonometry by J. S. Ratti; Marcus S. McWaters

Trigonometry by J. S. Ratti and Marcus S. McWaters (2019, Hardcover)

College Algebra by J. S. Ratti; Marcus S. McWaters

College Algebra and Trigonometry by J. S. Ratti; Marcus McWaters

Precalculus: A Unit Circle Approach by J. S. Ratti; Marcus S. McWaters

Precalculus Essentials by Ratti, J. S.; McWaters, Marcus; Skrzypek, Leslaw