Question

if tan a=P/P+1, tan b = 1/2p+1 show that A+B=pi/4​

Answer 1

Step-by-step explanation:

psinθ−qcosθ

=

ptanθ+q

ptanθ−q

, on dividing by cosθ

p(p/q)+q

p(p/q)−q

=

p

2

+q

2

p

2

−q

2

(∵tanθ=

q

p

)