Algebra and trigonometryby Michael Sullivan, 2007
College algebra and trigonometry (6th ed.)by Margaret L. Lial et. al, 2017
Comprehensive trigonometry: with challenging problems and solutions for JEE main and advancedby Rejaul Makshud, 2017
Fundamentals of mathematics trigonometryby Sanjay Mishra, 2015
Math for real life: teaching practical uses for algebra, geometry and trigonometryby Jim Libby, 2017
Schaum's outlines: trigonometry (4th ed.)by Robert E. Moyer and Frank Ayres, Jr., 2009
Trigonometryby K.R Choubey, R. Choubey and C. Choubey, 2011
Trigonometry (11th ed.) by Margaret L. Lial et. al, 2004
Trigonometry booster with problems and solutions for JEE main and advancedby Rejaul Makshud, 2017
Trigonometry for dummies (2nd ed.)by Mary Jane Sterling, 2014