Answer:
1/12
Hope this helps!
Answer:
-4
Step-by-step explanation:
Given function
f(x) = -2x² + 3x - 4
Comparing with ax² + bx + c We get
c = - 4
Hope it will help :)❤
If this is supposed to be

Then this can simply be reduced to

by the double angle formula for cosine
Answer : 4. 576
Y= 330 + 8.2(30)
330 +246
576