Question

1 - tan²(PI/4 - Theeta)/1+tan²(PI/4 - Theeta) = Sin 2 theeta​

Answer 1

Answer:

ANSWER

tan(

4

π

+θ)×tan(

4

π

−θ)

1−tan

4

π

tanθ

tan

4

π

+tanθ

×

1+tan

4

π

tanθ

tan

4

π

−tanθ

1−tanθ

1+tanθ

×

1+tanθ

1−tanθ

=1

∴tan(

4

π

+θ)×tan(

4

π

−θ)=1