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OpenStudy (anonymous):
If cos x = sin(20 + x)° and 0° < x < 90°, the value of x is ?
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OpenStudy (anonymous):
this makes no sence it says x is between 0 and 90
OpenStudy (anonymous):
i know, but its what i copied and pasted on here
OpenStudy (anonymous):
maybe because its a equality, it could be just a hint, let me think about it real quick
OpenStudy (anonymous):
ok
OpenStudy (anonymous):
ohh ok were does cosx = sinx
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OpenStudy (anonymous):
|dw:1428686258185:dw|
OpenStudy (anonymous):
|dw:1428686343785:dw|
OpenStudy (anonymous):
i don't think there is any value where cos(x) = sin(x) + 20 degree's
OpenStudy (anonymous):
ok thanks
OpenStudy (anonymous):
https://answers.yahoo.com/question/index?qid=20110221192440AAwPbvy here something
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