14. The expression tan 1 was simplified as follows. 1+cot' tan' z+1 Itcot° # Ree cac e cos sinz cot? e Explain the error in the calculation and find the correct solution.

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A: First of all use the trigonometric identity that is cosα=1-2sin2α2 and now substitute -35 in place…

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A: Note: As per our company guidelines we are supposed to answer the first question only. Kindly ask…

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A: Some Trigonometric formula,                             1.   sin2θ+cos2θ=12.   sin2θ = 2sinθcosθ3.…

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A: topic - trigonometric ratios

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Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.