Question

if cot theata-tan theata=2 then principle value of theata

Answer 1

(cot theata+tan theata)^2=(cot theata - tan theata)^2 +4*cot theata* tan theata=2^2+4=8
so,cot theata+ tan theata=2√2
so tan theata=√2-1=0.414
so theata= tan^-1(0.414)