JSS9 Math

Real world application of cosine rule to solve measurement problems.

Application of the cosine ratio in problem-solving. Finding the hypotenuse given the angle and aside.

Solved problems on the application of cosine ratio

Review your knowledge of cosine ratio and learn how to find the value of cosine using four-figure tables

How to use the sine ratio to solve real-life problems.

How to apply the sine ratio in finding the hypotenuse of a right-angled triangle.

In this lesson, the sine ratio is used to find the side and angle in some right-angled triangles.

Learn how to use the sine table to find the sine of angles.

A lesson on the real life application of tangent ratio.

Further examples on the use of the tangent ratio.