Question

in trangle pqr right angled at Q,so PQ=5cm,PR=determine sin p,cos p​

Answer 1

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Answer 2

Given PR+QR = 25,PQ = 5

PR be x and QR = 25-x

Pythagoras theorem,PR2 = PQ2 + QR2

x2 = (5)2 +(25-x)2

x2 = 25+625+x2-50x

50x = 650

x = 13

PR = 13cm

QR = (25-13) cm = 12 cm

sin P = QR/PR = 12/13

cos P = PQ/PR = 5/13

tan P = QR/PQ = 12/15