MATH 1475 5 LISE CHAIN RULE TYPE 3 , Find cot (x 2 + x+ 1 ) 2 x sec ( x+ 1) LISE IMPLICIT DIFFERE TIATION. Find y or y : Kecall. ( y ? ) ' is not zy 3 3, + 14 ( x + y ) + 7 : 6X: Hint love Chain 1 for ( xty ) (5 Sin ( X + y ) ty = 4x+1 Hint: use Chain 2 for Sin ( x+ ) ) 6 Find the Equation of The tangent Line To the Graph of xy = ytl, at ( 2 , 1 )