Uploaded September 2019 | Updated September 2026, 2 weeks ago

---

I use this method in math sometimes when I'm not certain how to proceed! Is it a trick? Probably not - but I use it lots in trigonometry and formula.
To support tecmath on Patreon (thankyou): patreon.com/tecmath To donate to the tecmath channel: paypal.me/tecmath?locale.x=en_AU To donate to the tecmath channel: paypal.me/tecmath?locale.x=en_AU
To support tecmath on Patreon: patreon.com/tecmath
To buy tecmath mechandise: teespring.com/stores/tecmath-store