Question

evaluate: 1-tan2 30/ 1+tan2 30

can someone answer it fast pls​

Answer 1

Answer:

Remember:-

Tan30°=1/√3

Step-by-step explanation:

1-(1/√3)^2/1+(1/√3)^2

= 1-1/3/1+1/3

= 3-1/3/3+1/3

=2/4=1/2