Question

what will be theta +fi​

Answer 1

Answer:

theta+phi=π/4

Step-by-step explanation:

tan(theta+phi)= (tantheta+tan phi)/(1-tantheta.tanphi)

=(1/2+1/3)(1-1/2.1/3)

=(5/6)/(5/6)=1

tan(theta+phi)=1.

so (theta+phi)=45°=π/4