In this video, I explain how to use Pythagorean identities to simplify trigonometric expressions. We focus on substituting 1-sin²θ with cos²θ to make the equation easier to work with, verifying the ...

Today's RecordDay 55, I posted a problem explanation on sequences and trigonometric functions to 𝕏 and Instagram. I lost one ...

Don't show this to your kids—Google Search and Lens can now solve advanced trigonometry, calculus, geometry, physics, and other science problems. Thanks to improved Search smarts, solving and ...

From algorithms to probability and game theory, the essential math shaping students’ futures is mostly missing in K-12 education, argues education advocate Ted Dintersmith.

One-semester review of manipulative algebra, introduction to functions, some topics in analytic geometry, and that portion of trigonometry needed for calculus. Prerequisite: MATH 011 or Placement Exam ...

You’re standing at the edge of a cliff, phone in hand, trying to measure the distance to the opposite side – no tape measure, no drone, just your brain. Now what? Trigonometry just became your ...