It's unfortunate that you are correct. However, when it comes to memorization, trig seems pretty tame. That one mnemonic just about covers it all. Even multiplication tables seem like a larger memorization effort to me.
It's unfortunate that you are correct. However, when it comes to memorization, trig seems pretty tame. That one mnemonic just about covers it all. Even multiplication tables seem like a larger memorization effort to me.