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What basic trigonometric identity would you use to verify that csc x sec x cot x = csc^(2)x

Part of the total score for each program is the sum of five program component scores. on the free program, the sum of these five program component scores is multiplied by a factor of 2.0. yuzuru hanyu, of japan, earned scores of 9.07, 8.96, 8.89, 9.21, and 9.36 for the program components portion of his free program. how many total points did he receive for this portion?

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?