ABCD is a trapezium such that AB and CD are parallel and BC is perpendicular to them. Let ∠ADB = θ, ∠ABD = α, BC = p and CD = q.
Consider the following :
1.AD sin θ = AB sin α
2.BD sin θ = AB sin (θ + α)
Which of the above is/are correct?
Mathematics
2020
NDA Mathematics 2020
NDA 2020
Options
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