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deltaXYZ is right angled at Y. If m angl...

`deltaXYZ` is right angled at Y. If m `angleZ = 60^@`, then cosec X=(A) 2 (B) `1/2 (C) `(1)/(sqrt2)` (D) `(1)(sqrt3)`

A

C

B

D

C

A

D

B

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