Verify That the Equation Is an Identity $$\cot ( x + y ) \cot ( x - y ) = \frac { 1 - \tan ^ { 2 } x \tan ^ { 2 } y } { \tan ^ { 2 } x - \tan ^ { 2 } y }$$

question 483

Essay

Verify that the equation is an identity.
- $$\cot ( x + y ) \cot ( x - y ) = \frac { 1 - \tan ^ { 2 } x \tan ^ { 2 } y } { \tan ^ { 2 } x - \tan ^ { 2 } y }$$

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Definitions:

Peptide

A short chain of amino acids linked by peptide bonds, which can function as signaling molecules or as components of proteins.

Polypeptide Chain

A long, continuous sequence of amino acids linked by peptide bonds, which folds into a functional protein or acts as part of a protein.

Amino Acids

Organic substances that amalgamate to produce proteins, functioning as life's essential building blocks.

Source Of Nitrogen

A substance or process that supplies nitrogen, essential for plant growth and various biological processes.