Recall that
d/dx sech(x) = - sech(x) tanh(x)
d/dx tan⁻¹(x) = 1/(1 + x²)
Then by the chain rule,
dy/dx = - sech(x) tanh(x) / (1 + x²)
Answer:
C
Step-by-step explanation:
C is congruent to A
Vicky’s average speed is 0.55m/h
the question is not so clear
is it (x+3)/3 or what you have written is correct
Step-by-step explanation:
Bah ahaha because i’m trying to get answers to m