Question

In the following figure cot R = 4:3, find sin P, tan R and cos P.​

Answer 1

Answer:

In △PQR

PR

2

=PQ

2

+QR

2

....(Pythagoras theorem)

13

2

=12

2

+QR

2

QR

2

=

169−144

=

25

=5 cm

tanP=

PQ

QR

=

12

5

,cotR=

PQ

QR

=

12

5

∴tanP−cotR=

12

5

−

12

5

=0