Mates y TIC - Maths and ICT

Actividades de Matemáticas con TIC - Math Activities with ICT - - - (matesytic@gmail.com) Ricardo García Mesa

Archive for January 21st, 2019

Trigonometric identities and homer measuring trees

Posted by ricardogm on 21st January 2019

 Hi

We are going to prove these two famous trigonometic identities:

sin2(x) + cos2(x) = 1

tan(x)=cos(x)/sin(x)

that can be seen in this applet:​

And how to measure trees with trigonometry (we are going to do more or less the same thing):

Posted in 4º ESO | No Comments »