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मान निकालिये : : 2tan^(2) 45^(@) +cos^(2...

मान निकालिये : : `2tan^(2) 45^(@) +cos^(2) 30^(4) - sin^(2) 60^(@)`

लिखित उत्तर

Verified by Experts

The correct Answer is:
`=2`
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