If the tangentat P of the curve y^2 = x^...

If the tangentat P of the curve `y^2 = x^3` intersect the curve again at Q and the straigta line `OP, OQ` have inclinations `alpha and beta` where O is origin, then `tanalpha/tan beta` has the value equals to

`-1`

`-2`

`sqrt2`

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