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OpenStudy (anonymous):
Calculate the following. Use the special triangles and give exact answers only. sin45+cos45 please help i don't even know what special triangles are!
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OpenStudy (anonymous):
that's really confusing...
OpenStudy (anonymous):
here is the answer
OpenStudy (asnaseer):
@tinydancer do you know what right angled triangles are?
OpenStudy (anonymous):
yeah
OpenStudy (asnaseer):
good - so it two of the angles in a right angled triangle are equal to 45 degrees, then what type of "special" right angled triangle would it be?
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OpenStudy (asnaseer):
*so if ...
OpenStudy (anonymous):
tinydancer i posted a jpeg image , it is shown there the answer
OpenStudy (asnaseer):
|dw:1339628906598:dw| can you see that AC = BC
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