Answer:
75th term = 443
Step-by-step explanation:

Answer:
1 1/5
Step-by-step explanation:
12/10=1.2 or 1 1/5
Don’t listen to the people who give you the links
Answer:
-cos(2x)
Step-by-step explanation:
I did trig last year and tutor a trig class this year :)
Answer:
Step-by-step explanation:
hello :
f(x) = 2x +1 and g(x) = x².
(gºf)(a)= g(f(a)) = g(2a+1) = (2a+1)² = 4a²+4a+1