1 Answered Questions for the topic Algebra 4
03/31/22
find cos(s+t) and cos(s-t) using cosine of a sum and cosine of a difference identities, if sin(s)=2/3 in quadrant 2 and sin (t)=-1/3 in quadrant 4
use sum and difference identities to find cos(s+t) and cos(s-t)
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