SOLUTION: How are these don?This topic i dont understand .how is this done?
Use even and odd properties of the trigometric function to find the exact calue of cos (-150 degrees)
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Use even and odd properties of the trigometric function to find the exact calue of cos (-150 degrees)
Use ev
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Question 756118: How are these don?This topic i dont understand .how is this done?
Use even and odd properties of the trigometric function to find the exact calue of cos (-150 degrees)
Use even and odd properties of the trigometric function to find the exact calue of cos (150 degrees) Answer by lwsshak3(11628) (Show Source):
You can put this solution on YOUR website! Use even and odd properties of the trigometric function to find the exact calue of cos (-150 degrees)
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cos is an even function: cos(-x)=cos(x)
cos(150)=cos(-150)=-√3/2 (in Q2 and Q3 where cos<0
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