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In the given figure, from an external point P,two tangents PT and PS are drawn to a circle with centre O and radius r.If OP=2r, show that `/_OTS=/_OST=30^@`

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In the given figure,from an external point Ptwo tangents PT and PS are drawn to a circle with centre O and radius r.If OP =2r, show that /_OTS=/_OST=30^(@)

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