#product to sum formulas

5 messages · Page 1 of 1 (latest)

next shuttle Nov 4, 2024, 8:06 PM

am i supposed to know these for a level?

strange lion Nov 4, 2024, 8:11 PM

its probably one of those trig formulas in the formula book that basically never appears in a level maths

bc ive never heard of this product to sum thing

seems like they used this