What is the sine function

👉 Learn how to evaluate the six trigonometric functions given a point. When given a point, there are many ways to evaluate the trigonometric functions of the point. The methods include: using the unit circle if the point is a point on the unit circle otherwise a right triangle with one of its legs on the x-axis and the other leg, perpendicular to the x-axis is drawn such that the reference angle is at the origin.

The x-coordinate of the given point represents the adjacent of the reference angle while the y-coordinate represent the opposite of the given point. Using the Pythagoras theorem, we can obtain the hypotenuse of the right triangle. Having the opposite, the adjacent and the hypothenuse of the reference angle of the right triangle, we can then use the SOHCAHTOA principle to evaluate the six trigonometric functions accordingly.

Organized Videos:
✅ Evaluate the Trigonometric Functions With Triangles
✅ Evaluate Trig Functions Using Special Right Triangles
✅ Evaluate the Six Trig Functions Given Right Triangle
✅ Evaluate the Six Trig Functions Given Equations
✅ Evaluate Trig Functions from a point | Learn About
✅ Evaluate the six Trig Functions given a point
✅ Determine the Quadrant Given Constraints
✅ Evaluate the trigonometric function with constraint

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