SOLUTION: Find the value of csc(-210) without a calculator
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Question 1144578: Find the value of csc(-210) without a calculator
Answer by greenestamps(13200) (Show Source): You can put this solution on YOUR website!
-210 degrees is clockwise 30 degrees past 180 degrees, so we have a 30 degree reference angle in quadrant II.
Sine and therefore cosecant are positive in quadrant II.
Sin(30) = 1/2; so sin(-210) = 1/2; so csc(210) = 2.
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