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Using the Sin, Cos and Tan FUNCTINs on the scientific calculator#trigonometry #significantfigures - YouTube
![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/qklb4lotlt191.jpg?auto=webp&s=64851355d2f59e90f36b6aa06087d3d05c50c6ed)
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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