Step-by-step explanation:
2X(5)=10
2X(-5)=10
20÷(-4)=5
-2X(5)=10
20÷(4)=5
4X(-5)=20
25÷(-5)=5
-20÷(4)=-5
you have to plug it into your equation
Answer:
1/4
−6cos( π/3 t)+21
A: I think it’s 9(−5+9n+10n2)