Consider a triangle PQR having sides of lengths p, q and r opposite to the angles...

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Consider a triangle PQR having sides of lengths p, q and r opposite to the angles P, Q and R, respectively. Then which of the following statements is(are) TRUE? p² (A) cosP ≥ 1- 2qr (B) cosR> (C) 9+r Р q-r p+q cos P + √sin Qsin R sin P <2- p-r p+q cos Q Р (D) If p Р 9 Consider a triangle PQR having sides of lengths p, q and r opposite to the angles P, Q and R, respectively. Then which of the following statements is(are) TRUE? p² (A) cosP ≥ 1- 2qr (B) cosR> (C) 9+r Р q-r p+q cos P + √sin Qsin R sin P <2- p-r p+q cos Q Р (D) If p Р 9

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