![Was doing cosine law with an sss triangle. I keep getting error on my ti-84 but it works fine on an online calculator. What is causing this? Thanks. : r/trigonometry Was doing cosine law with an sss triangle. I keep getting error on my ti-84 but it works fine on an online calculator. What is causing this? Thanks. : r/trigonometry](https://preview.redd.it/was-doing-cosine-law-with-an-sss-triangle-i-keep-getting-v0-qklb4lotlt191.jpg?width=640&crop=smart&auto=webp&s=1d210dea1600acf3dd5b73365bd81581003105be)
Was doing cosine law with an sss triangle. I keep getting error on my ti-84 but it works fine on an online calculator. What is causing this? Thanks. : r/trigonometry
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Have you seen this big calculator online? Free to download and use interactively in the classroom! | Calculator, Graphing calculator, Graphing
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