By the end of today’s lesson, you should be able to:

• Understand what trigonometry is.
• Identify the hypotenuse, opposite, and adjacent sides.
• Use the trigonometric ratios: sine, cosine, and tangent.
• Apply SOHCAHTOA to solve problems.
• Find missing sides of right-angled triangles.
• Find missing angles using the inverse trigonometric functions.
• Solve real-life problems involving trigonometry.