Our daughter’s pre-calc class was given this sheet of 59 trig identities to verify over Thanksgiving break. Her teacher says this work is important for understanding calculus. I call BS. This is just a massive amount of meaningless busywork that will help nobody.

My son is a HS junior taking AP calc 2 (calc BC). I showed him this sheet. He said the trig identities are "super helpful" when you're doing integrals. He loves calc. He loves linear algebra more, but still...