Find dy/dx or derivatives A. 18 4 = sin ( 2 cos 3x ) 20 . 4 = JI + sinsx 1 21 : 4 = ) x + 52x + 3x 26 . y = cos? ( sin ? x ) 27 y = sin x D 1 + cost 2 32 4 = [1 + ( 2 + 3 * ) - 3 /2 ] 2 /3 1 35 4= COS 3 ( 3) X4 + 1 ) 1 43. 9 ( t ) = ( tan JE ) 1 46. f ( x ) = sin ( secx ) 1 48. 9( t ) = tan ( sinx ) 55 9 ( x ) = Jsin ( 1+ * > ) 56 . h(t ) = ]It sec 2 6t B. find dy/ dx by implicit differentiation 13 . ext ey = exy D 21 . 9 = xle * ) 22 . y = (Inx ) X > I C. L If f' (x ) = lim f ( xth ) - f ( x ) , find h a. lim f(xth)- f(x ) h b. lim f ( x- h ) - f(x ) hio f ( xth ) - f ( x ) 1- sinx D. Let f(x) = (arcsinx ) ) 7+STAX find f' ( x ) 1 x=o , or f' ( 0 ) E . D Find lim 1- (cosx) (cos 2x) " (cos 3x)" X 2 F For X 70, suppose yis a function of x , If yu = x, find y' ( 2023 )