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OpenStudy (anonymous):
Use a coterminal angle to find the exact value of the expression. Do not use a calculator. cos405° Find the right answer.
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OpenStudy (anonymous):
its .707 options you have given preiously dont have right answer
OpenStudy (anonymous):
We need to choose one right answer. I know 707 is not ok...
OpenStudy (anonymous):
but it is 0.707 even if you do with calculator it comes same
OpenStudy (anonymous):
|dw:1322551456403:dw|
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