Math, asked by aiostudy656, 11 hours ago

Bookmark xcosθ+ycos∅+zcosψ=0 xsinθ+ysin∅+zsinψ=0 xsecθ+ysec∅+zsecψ=0 then proved (x 2 +y 2 +z 2 ) 2 =4x 2 y 2

Please proved the question

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Answered by harshsable83

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Step-by-step explanation:

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