Cite
MLA Citation
Margaret L Lial et al.. Trigonometry. Harlow, United Kingdom : Pearson, 2013. http://access.bl.uk/ark:/81055/vdc_100048053713.0x000001
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Margaret L Lial et al.. Trigonometry. Harlow, United Kingdom : Pearson, 2013. http://access.bl.uk/ark:/81055/vdc_100048053713.0x000001