If D = sinsina T + cosssina + cosa nC/m, find: (a) The charge density
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If D = sinθsinΦaT + cossθsinΦaθ + cosΦaΦ nC/m², find:
(a) The charge density at (2, 30°, 60°),
(b) The flux through r = 2, 0 < θ < 30°, 0 < Φ < 60°.
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