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Flag Inorganic Chemistry> please......................................
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please................................................i need the aanswer urgently........................................................................

Bishal Raj Panda , 6 Years ago
Grade 12
anser 1 Answers
Arun

Last Activity: 6 Years ago

Dear student
 
9.
 
Sin (1080 pi - 2*pi/3)
 
 = - sin (2*pi/3)
 
 = - sin ( pi/2 + pi/6)
 
 = - cos (pi/6) = - sqrt(3) /2

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