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View Full Version : Trigonometry

savitharaghav
Oct 13, 2010, 04:10 AM
(1 + cotA - cosecA)( 1 + tanA + secA ) = 2
Unknown008
Oct 13, 2010, 06:03 AM
Convert everything into cos and sin ratios.

Then expand. The answer should come quite easily. Post what you get! :)