How to Async Sine Cosine in Dart - Code Snippet

// Task: Async Sine Cosine
// Language: Dart

void 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");
}