R Ryltar Full Member 10+ Year Member Joined Mar 9, 2009 Messages 381 Reaction score 2 Apr 9, 2009 #1 Members do not see this ad. Is it worth memorizing both the double angle formulas and the sum or difference of two angles formulas (e.g. sin(a+b) = sinacosb +cosasinb)
Members do not see this ad. Is it worth memorizing both the double angle formulas and the sum or difference of two angles formulas (e.g. sin(a+b) = sinacosb +cosasinb)
B BrooklynZoo1184 ADA Approved 10+ Year Member 5+ Year Member 15+ Year Member Joined Aug 16, 2006 Messages 31 Reaction score 0 Apr 9, 2009 #2 Ryltar said: Is it worth memorizing both the double angle formulas and the sum or difference of two angles formulas (e.g. sin(a+b) = sinacosb +cosasinb) Click to expand... Not sure, but I did anyway. Shouldn't take more than 10 minutes. Try to understand it, instead of just memorizing. Upvote 0 Downvote
Ryltar said: Is it worth memorizing both the double angle formulas and the sum or difference of two angles formulas (e.g. sin(a+b) = sinacosb +cosasinb) Click to expand... Not sure, but I did anyway. Shouldn't take more than 10 minutes. Try to understand it, instead of just memorizing.
W whateveryoulike Apr 9, 2009 #3 i cant speak for your test since its luck of the draw but i needed it for one of mine. Upvote 0 Downvote
