Answer:
Step-by-step explanation:
<u>Use implicit differentiation:</u>
(Quotient Rule: )
See the attached picture to understand how to evaluate the mixed composition of trig functions using a right triangle.
Therefore, the derivative of arccot(x) is .
a) ( j + m ) / 7
b) The product of <em>j</em> and <em>m </em>increased by 7
thanks
b