sinx1+sinx2+sinx3=3and cosx1+cosx2+cosx3=
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sinx1+sinx2+sinx3=3
sinx1=sinx2=sinx3=1
Hence
x1=x2=x3=90°
Cosx1+cosx2+cosx3
cos90°cos90°cos90°
0+0+0
=0
sinx1=sinx2=sinx3=1
Hence
x1=x2=x3=90°
Cosx1+cosx2+cosx3
cos90°cos90°cos90°
0+0+0
=0
ramadugurahul:
super thanks
hi
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