Question

if tan teta +1/tan teta =2,then show that tan square teta +1/tan square teta =2​

Answer 1

Answer:

tan∅ + 1/tan∅ = 2

Square on both sides,

(tan∅ + 1/tan∅)² = 2²

tan²∅ + 1/tan²∅ +2(tan∅×1/tan∅) = 4

tan²∅ + 1/tan²∅ + 2 = 4

tan²∅ + 1/tan²∅ = 4 - 2

tan²∅ +1/tan²∅ = 2