Explaining on Instagram: "Follow (us) @Explaining to Learn something NEW every day 🧠💫 A University of British Columbia student from Calgary named Tim Chen found a surprising way to save money on rent. Instead of paying around $2,700 a month for a one-bedroom in Vancouver, he chose to live at home and fly to class twice a week, spending roughly $150 per roundtrip flight to attend his lectures. ✈️🎓 Because he only has a few hours of in-person classes each week, the cost of flying — about $1,200

Inverse Trig Functions With Double Angle Formulas and Half Angle Identities - Trigonometry

Evaluating Inverse Trigonometric Functions