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If the angle between two tangents drawn ...

If the angle between two tangents drawn from an external point P to a circle of radius a and centre O, is `60^@`, then find the length of OP.

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If the angle between two tangents drawn from an external point P to a circle of radius 'a' and center O , is 60^(@), then find the length of OP.

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AGRAWAL PUBLICATION-CIRCLES-EXAMPLE
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