Question

1-tan^2 30°\1+tan^2 30°=​

Answer 1

Step-by-step explanation:

= 1-(1/3)^2/1+(1/3)^2

= (1-1/3)/(1+1/3)

=(2/3)/(4/3)

=1/2

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Answer 2

Answer:

1-tan^30°/1+tan^230°

=1-(1/√3)^2/1+(1/√3)^2

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

=(3-1)/3/(3+1)/3

=2/4

=1/2