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मान निकालिए : 5cos^(2)60^(@)+4sec^(2)30^...

मान निकालिए : `5cos^(2)60^(@)+4sec^(2)30^(@)-tan^(2)45^(@)`

लिखित उत्तर

Verified by Experts

The correct Answer is:
`=(67)/(12)`
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