Вопрос
Select all expressions matching the value of indefinite integral int (-dt)/(sin^2)(t)/(4) -cot^2(t)/(4)+C cot(t)/(16)+C 4cot(t)/(4)+C
Решения
4.7
(213 Голоса)
Лия
Экспертная проверка
мастер · Репетитор 5 лет
Ответ
To solve the indefinite integral
, we can use a trigonometric identity and substitution.First, recall the identity:
So, we can rewrite the integral as:
Next, use the substitution
, which implies
or
.Substitute
and
into the integral:
The integral of
is
:
Now, substitute back
:
Thus, the correct expression matching the value of the indefinite integral is:
So, the correct answer is: