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In Fig. 9.6, if O is the centre of a circle, PQ is a chord and the tangent PR at P makes an angle of 50 degre…
In Fig. 9.6, if O is the centre of a circle, PQ is a chord and the tangent PR at P makes an angle of 50 degrees with PQ, then is equal to
- (a)
- (b)
- (c)
- (d)
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