Saved Bookmarks
| 1. |
If |
|
Answer» Answer: L.H.S=sin2A=sin2×60 ∘ =sin120 ∘ =sin(180 ∘ −60 ∘ )=sin60 ∘ = 2 3
..(1) R.H.S=2sinAcosA=2sin60 ∘ ∘ =2× 2 3
× 2 1
= 2 3
..(2) From (1) and (2) we have L.H.S=R.H.S |
|