By rigorous and complete I mean a book that contains proofs to all trig identities and formulas as well as those of hyperbolic geometry. I know there are proofs to most of these around the internet but is there a specific book or website that accomplishes this? Also, a geometric approach would be preferable.
2026-04-01 15:23:14.1775056994
Is there a "rigorous" book on "complete" trigonometry?
1.6k Views Asked by user480875 https://math.techqa.club/user/user480875/detail AtRelated Questions in GEOMETRY
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