приведите к наименьшему положительному аргументу tg(-400) ctg(-320)

Помогите пожалуйста!

Complete the text with the present simple

passive form of the verbs in brackets.

Street festivals and celebrations are fun, but they

also create a lot of rubbish which _________

1

(not

put) in bins, but 2².

just threw (throw) on

the floor. One inventor in Portugal has solved this

problem with his 'Garbage jukebox' - a bin that

plays music. The machine

power) by

electricity, but by rubbish, so when a drinks can or

bottle 4 is placed place) in the machine, music

sis played (play) - 30 seconds for each can and one

minute for each bottle. What a great idea!