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Question

The side of a right angle triangle PQR are PQ=7 cm,PR=25 cm and Q=90o respectively.Then find, tanPtanR.

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Solution

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In PQR using pythagoras theorem
(PR)2=(PQ)2+(QR)2
625-49=(QR)2
(QR)2=576
QR=24CM
now tan P = 247 and tan R =724
tanP-tanR= 247724=57649168=527168

1210011_1362589_ans_b4506795f6cd44fc937caff3b0fd6444.JPG

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