Using the Sum and Difference Identities for Sine, Cosine and Tangent, Ex 1
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but since all the point is in the first quadrant shouldn't it be positive, since all angles are positive in the first quadrant?
alohatripsta 3 months ago
@tommy6564 I think it's personal preference. It's correct either way but I know some teachers don't consider it simplified if you do leave it on the bottom.
nikenina101 10 months ago
nice, thanks... but would you put the negative outside the fraction to the left, or at least on top?, or can you leave it on the bottom?
tommy6564 10 months ago
merci beaucoup!
shuthefxup 1 year ago