Question

if tan A = 1 then 2sin A cos A is equals to​

Answer 1

Answer:

Ans = 1

Step-by-step explanation:

tanA = 1 = tan45

=> A = 45

So, 2 * sin45 * cos 45 gives

2 * 1/√2 * 1/√2

Wlcs

Answer 2

Answer:

tanA=1

so A=tan^-1(1)

A=45°

we know that Sin2A=2sinAcosA

so sin(2×45) =sin90°

=1