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J)= ycos(sin x) +sin + 2x , find domain of the following function
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Navdeep goyal 1![]()
{-1,1} check attachment
don't we have to consider another case also here? , as the 2x in the denominator can be negative too
no taking range of sin invrse x bcz range of sin^-2x is [-1,1]
if we take x= -2 than sin^-2(26/-10) which is not possible bcz its range[-1,1]