Intimidated by trigonometry? A few minutes with Selraybob and that will all go away. Sel and his friends take all that twisted-up mathematical gobbledygook that the physics folks sling and make it simple. You might find yourself calling your old math teachers and giving them the growly-voiced what’s what. “Hey!” you might say. “Sine’s just a ratio!” But be nice. They’re still math folks. Free on Kindle.
"Across the Trig Divide: The Book of Right Triangles" by . Selraybob was first posted on freebookpromotions.com on March 24th, 2021. Each day we feature new free and discounted Kindle books in the Science & Math genre as well as all other genres.
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