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Write the following in the standard nota...

Write the following in the standard notation
`100xx9+10xx2+7`

Text Solution

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The correct Answer is:
`(i) x cos 120^(@) + y sin 120^(@) = 4, 4 , 120^(@) (ii) x cos 90^(@) + y sin 90^(@) = 2,2, 90^(@) ; `
(iii) ` x cos 315^(@) + y sin 315^(@) = 2 sqrt2 , 2 sqrt2 , 315^(@)`.
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