SOLUTION: Use an Addition or Subtraction Formula to find the exact value of the expression
sin 195°
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Question 629888: Use an Addition or Subtraction Formula to find the exact value of the expression
sin 195°
Answer by reviewermath(1029) (Show Source): You can put this solution on YOUR website!
sin 195° = sin(150° + 45°)
= (sin 150°)(cos 45°) + (cos 150°)(sin 45°)
=
=
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