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OpenStudy (elusive):
please help me check my work!
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OpenStudy (elusive):
OpenStudy (radar):
Cosine Pi/8 cannot exceed 1 and would be positive, is that your result ???
OpenStudy (radar):
|dw:1473451124116:dw|
OpenStudy (elusive):
i dont know how to proceed
OpenStudy (radar):
Is your result plus or minus \[\sqrt{2 + \sqrt{2}}\]
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OpenStudy (radar):
If it is that would be a value of 1.85 which is larger than 1 and impossible as a cosine function ranges from 0 to 1 or 0 to -1.
OpenStudy (radar):
Also from the link, I can not determine what the actual problem is???
OpenStudy (radar):
The cosine of pi/8 which is cos 22.5 degree would be 0.924
OpenStudy (radar):
|dw:1473452738431:dw| Is this your problem?
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