Sine, cosine, and tangent are important to the study of right triangles. Have you ever seen this type of triangle? If so, you know that one of its three angles is always 90° (a right angle). The other ...

The triangle is coloured pink., When using trigonometry in right-angled triangles, each side is labelled based on a given angle, Ɵ. The hypotenuse (𝒉) is the longest side of the triangle ...

Spread the loveIntroduction: The sine rule, also known as the law of sines, is a fundamental property of triangles that can be used to calculate the length of a side or the size of an angle in any ...

Trigonometry is often aligned with right-angled triangles only. However, an understanding of trigonometry can also be extended to non-right angle triangles to find unknown sides or angles. The Sine ...