Calculate the angle QPR. Give the answer to one decimal place. Label the sides of the triangle \(o\), \(a\) and \(h\). Next choose the correct ratio from \(s^o_h~c^a_h~t^o_a\). In the triangle the ...

Most trigonometry students look at triangles on a flat surface. However, people from ancient astronomers to modern navigators calculated the arc lengths and angles of triangles on a sphere. They used ...

An understanding of the three trigonometric ratios and how to change the subject of a formula is essential. The Greek letter, Ɵ (theta) is often used as a symbol for an unknown angle. For a right ...

which are also sometimes called ramp angles. And while you might be susprised to learn what trigonometry has to do with mud flinging, these are terms that can help you make a smart purchase.