If A+B+C=135. A-B+C=45. A-C=30. then cosecA+secB+cotC.
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Mumtaz Mahal (Persian:born Arjumand Banu Begum, in Per 27 April 1593 – 17 June 1631) was the Empress consort of the Mughal Empire from 19 January 1628 to 17 June 1631 as the chief consort of the Mughal emperor Shah Jahan.
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