Cohen, David,
Precalculus with-Unit-Circle trignometry David Cohen - St. Paul: West Publishing, 1990. - xi, 627p.
includes index
eng
0314710159
Functions
Algebra
Trigonametry
512.1 / COP
Precalculus with-Unit-Circle trignometry David Cohen - St. Paul: West Publishing, 1990. - xi, 627p.
includes index
eng
0314710159
Functions
Algebra
Trigonametry
512.1 / COP