Answer:
Step-by-step explanation:
Add the trinomials it becomes a binomial 7x removes. Becomes 2x^4-7(2x^2-7)(x^2+1)
The ratios are both identical
sin x = perpendicular/hypotenuse = 3/5
cosy = base/hypotenuse = 3/5
I believe it is the second one hope that helped
C. formula
I hope this helps, thank you.
