Cos X + cosp JJ 2 (casα teasp)² = (1) ² 1+2 canxXx craps = 1/ Cox Corp= sinα + Sin³² = 3 E 1 + 2 sm x sm ³ = j -os (X +P) ye 3 T 42 sina simp=²}={ 9 2 = os B = cosa cos s'mx sm ß J), 27 S2 3 -- — -( - ) = -1/2 1 92 72 72 72 8 3 8 J 19