Description: Closure for the arcsin function. (Contributed by Mario Carneiro, 31-Mar-2015)
Ref | Expression | ||
---|---|---|---|
Assertion | asincl | |- ( A e. CC -> ( arcsin ` A ) e. CC ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | asinf | |- arcsin : CC --> CC |
|
2 | 1 | ffvelrni | |- ( A e. CC -> ( arcsin ` A ) e. CC ) |