SOLUTION: which expression is equivalent to sin 230°
(1) sin 50
(2) cos 50
(3) -sin 50
(4) -cos 50
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Question 601193: which expression is equivalent to sin 230°
(1) sin 50
(2) cos 50
(3) -sin 50
(4) -cos 50
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
230 degrees is 50 degrees past 180 degrees into the third quadrant where both sin and cos are negative.
John
My calculator said it, I believe it, that settles it
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