Question

11. If tan A = 1 then 2sinA.cosA​

Answer 1

Answer:

1

Step-by-step explanation:

2 sinA. cosA= sin2A

Given tanA=1

We know sin2A=2tanA/(1+tan²A)

=>sin2A=(2×1)/(1+1)

=>sin2A=1

Hence 2sinA.cosA=1