A and B are the answers.
If you need proof, just ask in the comments, and I’ll get back to you.
I hope this helps!
Answer:
cos210=cos(180+30)=−cos30=−√32 . sin210=sin(180+30)=−sin30=−12 . 3(cos210+isin210) =3(−√32)+3i(−12). −(32)√3−(32)i. My favourite way of seeing that sin30=12 and cos30=√32 is ...
Step-by-step explanation:
But that's what I say personally
Answer:5
Step-by-step explanation:
Because
Answer:
22
Step-by-step explanation:
Evaluate!
5(5)-3
25-3
22