1.arcsinx+arcsiny, Arcsinx+ arcsiny = arcsin (x √( 1-y2)+y √( 1-x2)), xy ≤ 0 or x2+y2≤ 1, arcsinx+

2.Arcsinx- arcsine, Arcsinxarcsine = arcsine (x √ (1-y2)-y √ (1-x2)), xy ≤ 0 or x2+y2 ≤ 1 arcsine x- arcsine = π-arcsine (.

Arcsinx-Arcsiny =-π-Arcsin (x √ (1-y2)+y √ (1-x2)), x < 0 and y > 0 and x2+y2 > 1.

The trigonometric function calculation formula of arcsine is 1.arcsinx+arcsiny.

Arcsinx+Arcsiny = Arcsin (x √ (1-y2)+y √ (1-x2)), xy ≤ 0 or x2+y2≤ 1. Arcane x+ arcsine = π-arcsine (x √ (1-y2)+y √ (1-x2)), x > 0 and y > 0 and x2+y2 > 1, arcsine x+ arcsine =-π-arcsine (.