Finding the trigonometric form of complex z = - I

Finding the trigonometric form of complex z = - I

cos3π/2+i·sin3π/2
Transform complex z = 1 + I into trigonometric form
Modulus = √ (1 + 1) = √ 2,
Angle = 45 degrees
It can be changed into triangle: z = √ 2 * (COS 45 ° + isin 45 °)
Radical 2 * (cospi / 4 + isinpi / 4)
Is each other's followed by the singular or plural of countable nouns
complex
For example: dogs biting at each other's tails
Dogs biting each other's tails... Dogs biting dogs
singular
Give each other's names, for example
English translation
Every iPhone or Macbook has his fingerprints all over it.
They are not in the same class
Because it means they are in the same class, this is an odd number (⊙ o ⊙)
If you like, you can use those English phrases or words
be fond of be keen on smth.like love favorite favourite
Like Favorite be fond of be keen on smth. like love
The poor is a kind of person. Is the predicate after it singular or plural?
Plural, because it refers to a group of people
How to write the word phrase in English
Phrase phrase
What words are used to modify countable nouns and uncountable nouns
At the same time, it can modify countable nouns and uncountable nouns~
a supply of
a quantity of
a mass of
a variety of
a dozen of
quanlities of
masses of
varieties of
dozens of
It's what we learn now. I don't know anything else
A lot
It can't be listed completely
English phrases of hobbies
There are at least 20 phrases that I have learned in six years of primary school, such as go, swim and so on
Remember, in half an hour
reading,singing,dancing,table tennis,drawing,playing the piano,searching the Internet,watching movie,playing football,playing basketball,going shopping,traveling,making new friends,hiking,skiing,skating,running,riding a bike,learning new knowledge,enjoying food.
I don't know what kind of vocabulary will be achieved in Grade 6. I can only think of these for the time being