) Identify the correct step .

a) sin (105) cos60 cos45 sin 60 sin45

b)cos(105) cos60 cos45 sin 60 sin4

Question

) Identify the correct step .   a) sin (105) cos60 cos45 sin 60 sin45  b)cos(105) cos60 cos45 sin 60 sin45  c) tan (105) cos100 cos5 sin100 sin5  d) all of the above​

Emery · Answer

Answer:   if option B is cos60cos45-sin60sin45then option B is correct    Step-by-step explanation:   cosAcosB-sinAsinB=cos(A+B)  cos60cos45-sin60sin45  =cos(60+45)  =cos105  HOPE YOU UNDERSTOOD SO PLEASE LIKE IT

Sarah

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) Identify the correct step .a) sin (105) cos60 cos45 sin 60 sin45b)cos(105) cos60 cos45 sin 60 sin4