atan, atanf, atanl

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This manual	Reference	Other manuals
atan(3)	referred by	acos(3) \| asin(3) \| atan2(3) \| cos(3) \| sin(3) \| tan(3)
atan(3)	refer to	acos(3) \| asin(3) \| atan2(3) \| attributes(7) \| carg(3) \| catan(3) \| cos(3) \| feature_test_macros(7) \| sin(3) \| tan(3)