Posted on April 22, 2022 (Updated on August 3, 2025)
Why is the sine of 90 degrees 1?
Space & NavigationSo, Why Exactly is the Sine of 90 Degrees Equal to 1? The sine function. You probably remember it from high school trigonometry, right? It’s this cool way of relating angles in a right triangle to the ratio of its sides. Basically, for any angle in that triangle, the sine is just the length of
Posted on April 22, 2022 (Updated on August 3, 2025)
What is the definition of known fact in math?
Space & NavigationWhat’s a “Known Fact” in Math, Really? So, what exactly do we mean when we say something is a “known fact” in math? It’s not quite as simple as it sounds. While the term gets thrown around pretty casually, especially when you’re first learning the ropes, its real meaning shifts depending on where you are
Posted on April 22, 2022 (Updated on August 3, 2025)
What is Rotoinversion?
Space & NavigationRotoinversion: It’s All About Symmetry (and a Little Twist!) Symmetry is a big deal in the world of crystals and molecules. You see it everywhere, from the perfect snowflake to the intricate patterns in minerals. But sometimes, symmetry gets a little… complicated. That’s where rotoinversion comes in. It’s a cool combination of movements that helps
Posted on April 22, 2022 (Updated on August 3, 2025)
What is a reflection in geometry?
Space & NavigationReflections in Geometry: Seeing is (Believing) the Mirror Image Ever stared into a mirror and wondered, “Is that really me?” Well, geometry has its own version of that experience: reflections! Think of it as creating a perfect mirror image of a shape. It’s one of those core ideas, right up there with slides (translations), turns
Posted on April 22, 2022 (Updated on August 3, 2025)
What does center center mean?
Space & Navigation“Center Center”: What’s the Deal? A Plain-English Explanation Ever heard the term “center center” and thought, “Wait, isn’t that just…the center?” You’re not totally wrong, but there’s more to it than meets the eye. It’s one of those phrases that pops up in different fields, meaning slightly different things depending on who you’re talking to.
Posted on April 22, 2022 (Updated on August 3, 2025)
How do you resolve vectors to horizontal and vertical components?
Space & NavigationVectors: Breaking Them Down the Easy Way (Horizontal & Vertical) Okay, so vectors. You might remember them from physics class, or maybe you’re wrestling with them right now. Either way, they’re basically arrows that show something has both size and direction – think force, velocity, anything like that. But when these vectors point at weird