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This banner text can have markup.. web books video audio software images Toggle navigation, Neglecting the subscript P, we have equivalent expressions for the equation of a SH wave : and vk ?2 ])(cos[),(ovt xtAtxy )cos(),(okxtAtxy ] ) ( 2 p p cos[ A ) , ( o x T f t x y x ] ) ( 2 p p cos[ A ) , ( o t t x y The consistent forms with our book should be: ])(sin[),(otvxAtxy In general, the