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:
95 cents
Step-by-step explanation:
3.80/4 = 0.95
Answer:
c = 154°
Step-by-step explanation:
I Hope this helps.
The answer you are looking for is 2 4/5. Hope this helps.
Answer:
-8
Step-by-step explanation:
5(-4)-(4)+8
-20+4+8
-20+12
-8
