Rees, Dorothy.
Trigonometry / Dorothy Rees, Paul K. Rees. - 2nd ed. - Quezon City : KEN, c1968. - 339 p. : ill.
Includes appendix and index.
9718558116
Trigonometry.
Trigonometry / Dorothy Rees, Paul K. Rees. - 2nd ed. - Quezon City : KEN, c1968. - 339 p. : ill.
Includes appendix and index.
9718558116
Trigonometry.