10. Simplify each expression to the equivalent expression shown. sin 2x a) 1- cos 2x' b) sin (x + y) sin (x - y); sin? x- sin? y cot x 11. Simplify each of the following. 3T 4 b cos (플-x)sec 폭-sin (퓨-x)csc sin (-x) csc 꼭 TT T (2프 + x)+ sin (프+ x b) cos - x) sec a) cos

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Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.