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I wish I had a TI-Nspire. I only have a TI 84+ CE and it doesn’t have CAS :( RIP calculus and trigonometry
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Why I didn't see this in my trigonometri class?
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My gods! I think I finally understand! Nothing magic about cos, sin, tan? They're just the *useful* effects of Ø against a circle?
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yes. exactly. (well, there's still a magical relation between them.)
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most of them - useless
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Haversine was important in navigation havΘ = sin²(Θ/2)=(1-cosΘ)/2 = ½versinΘ
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Maravilloso!
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What is this? WHAT KINDA SORCERY IS THIS? I demand those responsible be burned at the stake for witchcraft. My poor. Brain cells, oh my eyes
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