Answer:

ye sahi he kya??

since sin^-1 x + cos^-1 = pi/2

and sin pi/2 =1

thus x= 3/5

╔══╗╔═╦═╗╔══╗╔╗─╔═╗

║══╣║║║║║╚║║╝║║─║╦╝

╠══║║║║║║╔║║╗║╚╗║╩╗

╚══╝╚╩═╩╝╚══╝╚═╝╚═╝