How to perform 'Async Sine Cosine' in Swift.
// Task: Async Sine Cosine
// Language: Swift
func asyncSineCosine() {
// Implementation for Async Sine Cosine
var result = ...; // Initialize variable
// TODO: Implement core logic here
// Step 1: Prepare data
// Step 2: Process Async Sine Cosine
print("Done");
}