Respuesta :
the exact value of the trigonometric -(sqrt 2)/2
What is trigonometric ?
Trigonometry, which derives its name from the Ancient Greek letter v, is a discipline of mathematics that examines connections between triangles' side lengths and angles. The field was created in the Hellenistic era in the third century BC as a result of the use of geometry in astronomical research. While Indian mathematicians produced the earliest tables of values for trigonometric ratios (also known as trigonometric functions), such as sine, the Greeks concentrated on chord calculation.
Trigonometry has been used historically in fields like geodesy, surveying, celestial mechanics, and navigation.
Trigonometry has a wide variety of identities. In order to simplify an expression, identify a more practical version of an expression, or solve an equation, trigonometric identities are frequently employed to rewrite trigonometrical expressions.
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