Final answer:
To use an online tool to simplify trigonometric expressions, input the expression, allow the tool to apply trigonometric identities, and verify the simplified result. Familiarize yourself with these operations by experimenting on a calculator.
Step-by-step explanation:
To simplify trigonometric expressions step-by-step using an online tool, follow these guidelines:
- Input the expression into the tool's interface.
- The tool will apply trigonometric identities, such as sin2(x) + cos2(x) = 1, to simplify the expression.
- If the expression can be simplified further, the tool might incorporate additional identities like sin(2x) = 2sin(x)cos(x) or use the law of sines and law of cosines in the context of triangles.
- Once the tool provides a simplified form, verify the result by substituting known values and checking your answer.
Remember to mess around with the functions on a calculator to familiarize yourself with these operations. This hands-on experience will aid in understanding the trigonometric simplifications made by the online tool.