Question

A=30°,
sin²A= 2 tan A /1+tan² A ?​

Answer 1

Answer:

$\huge\sf\fbox\blue{︶︿︶}$

Brainlest plss

Answer 2

Step-by-step explanation:

A=30⇒2A=60

sin2A=sin60

∘

=

2

3

Also,

1+tan

2

A

2tanA

=

1+tan

2

30

2tan30

∘

=

1+(

3

1

)

2

2×

3

1

=

1+

3

1

3

2

=

3

4

3

2

=

3

2

×

4

3

=

2

3

Hence, sin2A=

1+tan

2

A

2tanA

.