arcsinx+arccosx = π/2 =>arccosx = π/2 - arcsinx
tanx × cotx =1 => cotx = 1/tanx
这图形不就出来了?
1.如何由y=arcsinx图形得到y=arccosx的图形?2.如何由y=tanx图形得到y=cotx的图形?
arcsinx+arccosx = π/2 =>arccosx = π/2 - arcsinx
tanx × cotx =1 => cotx = 1/tanx
这图形不就出来了?