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OpenStudy (anonymous):
cos2a = 2 cos^2 a-1 for all values of a A.True B.False
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OpenStudy (anonymous):
a
OpenStudy (anonymous):
Thank you :)
OpenStudy (anonymous):
welcome :)
OpenStudy (anonymous):
Can you help me with another one?
OpenStudy (anonymous):
yes,i will try
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OpenStudy (anonymous):
cos a/2 = sqrt 1-cos a/(2) for all values of a A. True B. False
OpenStudy (anonymous):
is the formula correct?
OpenStudy (anonymous):
|dw:1336619262143:dw|
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