Evaluate the following limits in Exercises.
⇒
So,
[∵ cos2x = 1 – 2sin2x]
⇒ 4
We know that
⇒ 4× 12/12
Ans.
[∵ cos2x = 1 – 2sin2x]
[∵ cos2x = 1 – 2sin2x]