👉 Learn how to evaluate the six trigonometric functions of a given angle. When given an angle, we locate the angle on the unit circle. Then, using the coordinate of the terminal side of the angle on ...

👉 Learn how to evaluate the tangent of an angle in degrees using the sum/difference formulas. To do this, we first express ...

Some exact trigonometric values are equivalent. For example, \( \frac{1}{√2}\) = \( \frac{√2}{2}\). The denominator has been rationalised. To be successful with exact trigonometric values, especially ...