Question

tan²30+tan²60+tan²45​

Answer 1

Answer:

1/3+3+1

=1+9+3/3

=13/3

Answer 2

Answer:

tan^2 30+tan^2 60+tan^2 45

(1/√3)^2+(√3)^2+(1)^2

1/3+3+1

1+9+3/3

13/3