Предмет: Алгебра, автор: Aruka7676

Упростите выражение
(ctg^2a+1)*sin^2a-cos^2a

Ответы

Автор ответа: pribivshiy2
0
..............................
Приложения:
Предыдущий вопрос
Следующий вопрос
Похожие вопросы
Предмет: Английский язык, автор: Аноним
The movie's going to start soon, we ____leave soon or we'll miss it. *
b) 'd better
a) would rather
Dad said he'd punish you he caught you drunk again. You ___ not do it again. *
b) had better
d) shouldn't
c) had better not
a) should
You__not be late again or you'll lose your job. *
b) had better
a) would rather
Why are you so late?! You ___ arrived sooner. *
a) should
d) shouldn't
b) had better
c) had better not
I saw a really great action movie last night, you ___ see it. *
d) had better not
a) shouldn't
b) had better
c) should
I have a high fever and a splitting headache. I ____ go and see my doctor. *
a) had better
b) wouldn't rather
c) would rather
You ____say that to him. He'll be angry with you. *
b) had better not
c) would rather not
a) would better not
d) had better not to
Really, I'd rather ____ what I think about his last novel, he would kill me. *
b) not have told you
c) not tell you
a) you didn't tell me
I'd rather sleep for a while ____ keep on working like mad. *
a) before than
c) that
b) than
What _______, have some coffee now or wait until lunch? *
c) would you rather do
a) had you better do
b) did he do better
6 лет назад
Предмет: Физика, автор: kb735755
при освещении одной и той же дифракционной решетки
6 лет назад
Предмет: Математика, автор: nikitabtteogmailcom
помогите пожалуйста решить​
6 лет назад
Предмет: Физика, автор: dfhduifyh
Масса Земли 6*10 в 24 кг, масса Луны 7,3*10 в 22 кг, расстояние между их центрами 384 000 км. Определить силу тяготения между Землей и Луной.
10 лет назад
Предмет: Математика, автор: динкатоб
обозначьте одну неизвестную величену буквой х выразите через х другую неизвестную величину составьте уравнение по условию задачи одно число в 7 раз больше другого а их сумма равна 440 найдите большее число
10 лет назад