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If sin theta 1 sin theta 2 a and cos theta 1
If sin theta 1 sin theta 2 a and cos theta 1 pictures 5
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If sin theta 1 sin theta 2 a
If sin theta 1 sin theta 2 a and cos theta 1
if sin theta 1 sin theta 2 a and cos theta 1 cos theta 2 b then
