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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Alka gupta
see your answer....
Why you wrote pi instead of 2?
oh... in hurry I wrote it π ....but yes it is 2
the property is correct, right?
any way your property also not hold if we will write f(sin(2x))
I told you previous...... reverse this property...then it is correct....see....