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Co - ordinate Geometry Circles

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The line (x - a) cosα + (y - b) sin α = r will be a trangent to the circle (x-a)² + (y - b)² = r²

A. If α=30°

B. If α=60°

C. For all values of α

D. If α=90°

E. None of the above

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Correct choice: C

Explanation:

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Eamcet Mathematics Co - ordinate Geometry Circles

Eamcet Mathematics
Co - ordinate Geometry Circles