Horner, D. R. (1968). Trigonometry: A study of certain real functions. Holt, Rinehart and Winston.
Cita Chicago Style (17a ed.)Horner, Donald R. Trigonometry: A Study of Certain Real Functions. New York: Holt, Rinehart and Winston, 1968.
Cita MLA (9a ed.)Horner, Donald R. Trigonometry: A Study of Certain Real Functions. Holt, Rinehart and Winston, 1968.
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