In mathematics, a trigonometric substitution replaces a trigonometric function for another expression . In calculus, trigonometric substitutions are a technique for evaluating integrals. In this case, an expression involving a radical function is replaced with a trigonometric one.
26 мар. 2021 г. · This calculus video tutorial provides a basic introduction into trigonometric substitution. It explains when to substitute x with sin, cos, ... |
16 окт. 2023 г. · In this section we will look at integrals (both indefinite and definite) that require the use of a substitutions involving trig functions ... |
| Тригонометрическая подстановка |
В математике тригонометрическая подстановка — это подстановка из тригонометрических функций для других выражений. В исчислении тригонометрическая подстановка — это метод вычисления интегралов. Википедия
When using the method of trig substitution, we will always use one of the following three well-known trig identities : (I) 1−sin2θ=cos2θ |
21 февр. 2025 г. · The technique of trigonometric substitution comes in very handy when evaluating integrals of certain forms. This technique uses substitution ... |
15 авг. 2020 г. · You can use either method, but the u substitution would be easier and faster. But you can choose if you want to do more work for yourself. |
11 февр. 2019 г. · The reason it works is because you can describe points in [-1,1] in multiple ways: algebraically just as "x" and trigonometrically as ... |
3 июн. 2012 г. · When you write x=sinu you will substitute u=arcsinx later. So essentially what you are writing is x=sin(arcsin(x))=x. Note that the sin and ... |
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