function calculateAdjacent() { // Get input values const hypotenuse = parseFloat(document.getElementById('hypotenuse').value); const theta = parseFloat(document.getElementById('theta').value); if (isNaN(hypotenuse) || isNaN(theta)) { document.getElementById('result').innerHTML = "Please enter valid numbers."; return; } // Convert theta to radians const thetaRadians = theta * (Math.PI / 180); // Calculate adjacent side const adjacent = hypotenuse * Math.cos(thetaRadians); // Display result document.getElementById('result').innerHTML = `

Adjacent Side: ${adjacent.toFixed(2)}

`; }Skip to main content