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In an isosceles right angle triangle ABC...

In an isosceles right angle triangle ABC (at B) perpendicular are drawn from a point D inside the triangle on side AB and AC meet at p and Q respectively . AP = a unit ,AQ = b unit `angle`PAD = `15^@`, sin 75° = ?

A

`(2b)/(sqrt3 a)`

B

`a/(2b)`

C

`(sqrt3 a)/(2b)`

D

`(2a)/(sqrt3 b)`

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