Who among the following was a great protagonist of the 'Doctrine of Lapse'?
The Doctrine of Lapse was an annexation policy followed widely by Lord Dalhousie when he was India's Governor-General from 1848 to 1856. It was used as an administrative policy for the extension of British Paramountcy. Hence option A is the correct Answer.
If sinA = 3/5 and cosB = 12/13, where A and B are in the first quadrant, find sin(A + B).
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