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Reported Question / Answer
Q.) cosα =
1)
±√(1 - cos2α)/2
2)
±√(1+ cos2α);/2
3)
±(√(1)+ sin2α)/2
4)
None of the Above
5)
NULL
Answer :
2
Thank you for reporting wrong Question / Answer / Options
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Message / Correct Answer / Suggestion
Human Verification : Answer 2 + 3 = ?
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