Question

2. The sides of a right angle triangle PQR are PQ = 7 cm, QR = 25 cm and ZP = 90° respectively. Then find, tan Q-tan R. (AS)​

Answer 1

Answer:

Step-by-step explanation:

In △ PQR using pythagoras theorem  

(PR)  

2

=(PQ)  

2

+(QR)  

2

 

625-49=(QR)  

2

 

(QR)  

2

=576

QR=24CM

now tan P =  

7

24

​

 and tan R =  

24

7

​

 

tanP-tanR=  

7

24

​

−  

24

7

​

=  

168

576−49

​

=  

168

527