SOLUTION: find the exact value, leaving the answer in a proper form of sin -300 degrees.
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Question 33122: find the exact value, leaving the answer in a proper form of sin -300 degrees.
Answer by sarah_adam(201) (Show Source): You can put this solution on YOUR website!
Sin(-300)
-(Sin((360-60)))
Sin(A-B) = Sin A Cos B - Cos A SIn B
therfore Sin(360-60) = Sin 360 Cos 60 - Cos 360 Sin 60
sin 360 = 0 ,cos 60 = 1/2 ,cos 360 = 1 ,sin 60 = /2
SIn (360 - 60 )= 0 - /2
-(Sin((360-60)))= - (-/2)
SIn(-300) = + /2
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