There are three Pythagorean trigonometric identities in trigonometry that are based on the right-triangle theorem or Pythagoras theorem. sin2 a + cos2 a = 1

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Trigonometric identities are mathematical equations which are made up of functions. These identities are true for any value of the variable put. There are many identities which are derived by the basic functions, i.e., sin, cos, tan, etc.

Get StartedTrig identities. Trigonometric identities are equations that are used to describe the many

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Mathematics is the study of patterns and relationships between numbers, shapes, and other mathematical concepts.