sam69987667765 sam69987667765

14-09-2022
Mathematics

Answered

Let PQRS be a quardilateral in a plane, where QR=1, ∠PQR=∠QRS=70°, ∠PQS=15° and ∠PRS=40°. If ∠RPS=θ°, PQ=α and PS=β, then the intervals that contains the value of 4αβ sinθ° are

(A) (0, √2)
(B) (1, 2)
(C) (√2, 3)
(D) (2√2, 3√2)

Answer :

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