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                                    The value of k (k>0) such that the length of the longest interval in which the function f(x)=sin−1(|sinkx|)+cos−1(coskx) is constant is π4 will be | 
                            
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Answer» The value of k (k>0) such that the length of the longest interval in which the function f(x)=sin−1(|sinkx|)+cos−1(coskx) is constant is π4 will be | 
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