@book{15105,
	author = {Moyer, Robert E. and Ayres, Frank,},
	title = {Schaum's outline of trigonometry /},
	publisher = {McGraw-Hill,},
	year = {c2013},
	series = {Schaum’s outline series},
	address = {New York, NY :},
	edition = {5th ed.},
	note = {Include index},
	url = {http://mhebooklibrary.com.libraryumpsa.idm.oclc.org/doi/book/10.1036/9780071795364}
}