Pre-Calculus Homework Solutions 227

# Pre-Calculus Homework Solutions 227 - sin PQS PS sin PQS...

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} sin( / PS PQS ) } 5 ¬ } ¬ s Q in S P } } sin( 7 / 5 P 6 QS ) } 5 ¬ } ¬ s 7 i 1 n 6 5 . 8 7 ° } 716.7 sin( / PQS ) 5 ¬ 756sin58° sin( / PQS ) 5 ¬ } 756 71 si 6 n .7 58° } m / PQS 5 ¬ sin 2 1 1 } 756 71 si 6 n .7 58° } 2 m / PQS < ¬ 63.5 QS 2 5 ¬ QR 2 1 RS 2 2 2( QR )( RS )cos R 716.7 2 5 ¬ 547 2 1 593 2 2 2(547)(593)cos R 513,658.89 5 ¬ 650,858 2 648,742 cos R 2 137,199.11 5 ¬ 2 648,742 cos R } 2 2 13 6 7 4 , 8 1 , 9 7 9 4 . 2 11 } 5 ¬ cos R R 5 ¬ cos 2 1 1 } 13 6 7 4 , 8 1 , 9 7 9 4 . 2 11 } 2 R < ¬ 77.8° 41. a 2 5 ¬ b 2 1 c 2 2 2 bc cos A 186 2 5 ¬ 174 2 1 180 2 2 2(174)(180)cos A 34,596 5 ¬ 62,676 2 62,640cos A 2 28,080 5 ¬ 2 62,640 cos A } 2 2 2 6 8 2 , , 0 6 8 4 0 0 } 5 ¬ cos A A 5 ¬ cos 2 1 1 } 2 6 8 2 , , 0 6 8 4 0 0 } 2 A < ¬ 63.4° } sin a A } 5 ¬ } sin b B } } sin 1 6 8 3 6 .4° } 5 ¬ } s 1 in 74 B } 174sin63.4° 5 ¬ 186sin B } 174s 1 i 8 n 6 63.4° } 5 ¬ sin B sin 2 1 1 } 174s 1 i 8 n 6 63.4° } 2 5 ¬ B 56.8° < ¬ B m / A 1 m / B 1 m / C 5 ¬ 180 63.4 1
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