Question

Please solve limit class 12th​

Answer 1

Answer:

MARK ME THE BRAINLIEST ANSWER

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Step-by-step explanation:

First write ln(cosx) as 12ln(1−sin2x), then see the when x→0, sin2x is very small. We know that when the function α(x) is very small, then ln(1+α(x))∼α(x) so

ln(cosx)=12ln(1+(−sin2x))∼−12sin2(x)

Now take your limit with this fact again.