#1
Find the sum v = v1 + v2 where,
v1 = sin(wt + pi/3)
v2 = cos(wt - pi/6)
and express v in polar format.
0
7 years ago
#2
(Original post by *absinthe*)
Find the sum v = v1 + v2 where,
v1 = sin(wt + pi/3)
v2 = cos(wt - pi/6)
and express v in polar format.
Use trig. identities
v1=sin(wt+pi/3)=cos(pi/2-pi/3-wt)=cos(pi/6-wt)=cos(wt-pi/6)=v2
For polar format (r, phi): I thik t is the time and w is circle frequency then wt=phi
and v would be r*sin phi
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