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- https://math.libretexts.org/Courses/Prince_Georges_Community_College/MAT_1350%3A_Precalculus_Part_I/07%3A_The_Unit_Circle_-_Sine_and_Cosine_Functions/7.02%3A_Right_Triangle_TrigonometryWe have previously defined the sine and cosine of an angle in terms of the coordinates of a point on the unit circle intersected by the terminal side of the angle. In this section, we will see another...We have previously defined the sine and cosine of an angle in terms of the coordinates of a point on the unit circle intersected by the terminal side of the angle. In this section, we will see another way to define trigonometric functions using properties of right triangles.
- https://math.libretexts.org/Workbench/Algebra_and_Trigonometry_2e_(OpenStax)/07%3A_The_Unit_Circle_-_Sine_and_Cosine_Functions/7.03%3A_Right_Triangle_TrigonometryWe have previously defined the sine and cosine of an angle in terms of the coordinates of a point on the unit circle intersected by the terminal side of the angle. In this section, we will see another...We have previously defined the sine and cosine of an angle in terms of the coordinates of a point on the unit circle intersected by the terminal side of the angle. In this section, we will see another way to define trigonometric functions using properties of right triangles.
- https://math.libretexts.org/Courses/Hope_College/Math_125%3A_Hope_College/05%3A_Trigonometry_Essentials/5.02%3A_Right_Triangle_TrigonometryWe have previously defined the sine and cosine of an angle in terms of the coordinates of a point on the unit circle intersected by the terminal side of the angle. In this section, we will see another...We have previously defined the sine and cosine of an angle in terms of the coordinates of a point on the unit circle intersected by the terminal side of the angle. In this section, we will see another way to define trigonometric functions using properties of right triangles.
- https://math.libretexts.org/Courses/Reedley_College/Trigonometry/01%3A_The_Six_Trigonometric_Functions/1.02%3A_Right_Triangle_TrigonometryWe define the six trigonometric functions of an angle in terms of the coordinates of a point on the unit circle intersected by the terminal side of the angle. We then see another way to define trigono...We define the six trigonometric functions of an angle in terms of the coordinates of a point on the unit circle intersected by the terminal side of the angle. We then see another way to define trigonometric functions using properties of right triangles.
