What’s my angle?

I’m going to help save the planet by adding solar panels to my roof! Should I tilt the panels on my roof to more accurately aim towards the Sun? If so, at what angle should I use? Should I be…

A parametric heart … with love

Students use parametric equations and simple trig functions (using unit triangles) to create a really nice heart. https://www.yummymath.com/2015/a-parametric-heart-with-love/ HSG.SRT, HSF.TF