1.

Number of value(s) of x for which sin−1(x2−x43+x69...)+cos−1(x4−x83+x129...)=π2, where 0≤|x|<31/4, is

Answer» Number of value(s) of x for which sin1(x2x43+x69...)+cos1(x4x83+x129...)=π2, where 0|x|<31/4, is


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