F(x) = cos x
f'(x) = -sin x
f''(x) = -cos x
f'''(x) = sin x
f''''(x) = cos x
90/4 = 22 Remainder 2
Therefore, 90th derivative of f(x) = cos x is -cos x.
Answer:
9
Step-by-step explanation:
Answer:
here ya go :)
Step-by-step explanation:
4000000 pounds = 2000 tons
1 ton = 2000 pounds, so 4000000 ÷ 2000 is 2000