Please show work for both 3 and 4, thanks!

La. Stops 24. y- 1= -21x+1 ) 3) Find equations for the horizontal and vertical tangent lines to the curve r = 5 - SSin@ ScorerinG +( 5-5026 / 106=09 . on [0,27t] HA 5 - Soing ( rin 6 / - 5 cart cars + (5 - 5 sin6/ sin 6 VA : ( 1 5702, 5. 30 14P NO - 10), 17 1 6 = 1,5702 7. 66 519, 5. 759 SV VA no tangent 4) Find the area enclosed by one loop of the lemniscate r2 =3cos(20) plug int X r 2= 3cus (201