There are some trigonometric identities which you must remember in order to simplify trigonometric expressions when required. When you are asked to prove something, ignore the right hand side of the ...

This is a preview. Log in through your library . Abstract This investigation describes quantitative relationships between circle segments (portions of a chord, tangent, secant and their co-functions) ...

Revising the trigonometric laws and identities, covered in Class 10 and 11, can help you crack the toughest of questions Trigonometry is the mathematics of triangles and it is quite amazing that the ...

Two high school students have proved the Pythagorean theorem in a way that one early 20th-century mathematician thought was impossible: using trigonometry. Calcea Johnson and Ne’Kiya Jackson, both at ...