APA (7th ed.) Citation

Ho, W. K., Ho, F. H., & Lee, T. Y. (2012). An Elementary Proof of the Identity cot [theta] = [image omitted]. International Journal of Mathematical Education in Science and Technology, 43(8), 1085. https://doi.org/10.1080/0020739X.2011.644337

Chicago Style (17th ed.) Citation

Ho, Weng Kin, Foo Him Ho, and Tuo Yeong Lee. "An Elementary Proof of the Identity Cot [theta] = [image Omitted]." International Journal of Mathematical Education in Science and Technology 43, no. 8 (2012): 1085. https://doi.org/10.1080/0020739X.2011.644337.

MLA (9th ed.) Citation

Ho, Weng Kin, et al. "An Elementary Proof of the Identity Cot [theta] = [image Omitted]." International Journal of Mathematical Education in Science and Technology, vol. 43, no. 8, 2012, p. 1085, https://doi.org/10.1080/0020739X.2011.644337.