Question

If tan A= Root 3-1 then valur of Tan A/ 1 + tan^2 A is​​

Answer 1

Step-by-step explanation

Given,

tanA=1

⇒A=45∘

tanB=3

⇒B=60∘

cosAcosB−sinAsinB

=cos45cos60−sin45sin60

=2121−2123

=221−3