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If cosα+cosβ=0=sinα+sinβ and cos2α+cos2β=kcos(α+β) then find k

If cosα+cosβ=0=sinα+sinβ and cos2α+cos2β=kcos(α+β) then find k

Grade:12

1 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
4 years ago
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