1.

ABCD is a trapezium such that AB and CD are parallel and BC bot CD. If angle ADB= theta , BC= p and CD=q then AB is equal to ......

Answer»

<P>`((p^(2)+q^(2)) sin THETA)/(p COS theta+ q sin theta)`
`(p^(2)+q^(2) cos theta)/(p cos theta+ q sin theta)`
`(p^(2)+q^(2))/(p^(2) cos theta+ q^(2) sin theta)`
`((p^(2)+q^(2)) sin theta)/((p cos theta+q sin theta)^(2))`

ANSWER :A


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