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 ...

Looking for more revision? There are videos, diagrams and more on calculating the area of a triangle using trigonometry in this National 5 Maths guide. National 5 Maths - Calculating the area of a ...

In 2022, two high school students created a trigonometric proof of the Pythagorean Theorem—something that’s only ever been accomplished by a few professional mathematicians. Now, a new article not ...

THIS is a sequel to the large “Plane Trigonometry” by the same writer, and is naturally drawn up on the same plan. Its size is handy, and yet it contains a very large amount of matter. Much of this ...

LEAVING CERT trigonometry would seem to have little to do with music, but the two are linked.The maths allows iPods and MP3 players to store and play back hours of music using the smallest storage ...