Cite
HARVARD Citation
(Mathematics teacher), A. (2018) Trigonometry : a complete introduction. [Online]. London : Teach Yourself. Available from: http://access.bl.uk/ark:/81055/vdc_100063764256.0x000001
This is an interim version of our Electronic Legal Deposit Catalogue-eJournals and eBooks while we continue to recover from a cyber-attack.
(Mathematics teacher), A. (2018) Trigonometry : a complete introduction. [Online]. London : Teach Yourself. Available from: http://access.bl.uk/ark:/81055/vdc_100063764256.0x000001