1.

O is the centre of a circle. AC and BD are two chords of the circle intersecting each other at P. If angle AOB = 15^(@) and angle APB = 30^(@), then tan^(2) angle APB + cot^(2) angle COD is equal to :

Answer»

`(4)/(3)`
`(10)/(3)`
`(1)/(3)`
`(2)/(3)`

Answer :A


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