A GCSE Maths video about finding exact trigonometric values. This video explains the exact values of sinθ, cosθ and tanθ for 0°, 30°, 45°, 60° and 90° and shows how they can also be worked out using a ...

👉 Learn how to evaluate the cosine of an angle in radians using the sum/difference formulas. To do this, we first express ...

👉 Learn how to evaluate the tangent of an angle in degrees using the sum/difference formulas. To do this, we first express the given angle as a sum or a difference of two (easy to evaluate) angles, ...

This day only comes 'round' once every year! Today is Pi Day for 2026, the universal celebration of an amazing, mysterious, and irrational mathematical constant. What's that, you say? Why do we ...

Without patch: d/dx [x^7 + x] = 0 With patch: d/dx [x^7 + x] = 7x^6 + 1 Without patch: Is 113 prime? No, 113 is not prime With patch: Is 113 prime? Yes, 113 is a prime number True 1-bit LLMs have no ...

Warren Buffett's famous quote about being "approximately right" reveals why obsessing over precise forecasts and complex ...

Abstract: In most of the fixed-time or predefined-time control in the literature, the settling time of the system is unknown or its estimation is very conservative. A state-of-the-art design to ensure ...

Abstract: Achieving distributed reinforcement learning (RL) for large-scale cooperative multiagent systems (MASs) is challenging because: 1) each agent has access to only limited information and 2) ...