Trigonometry
Trigonometry
is the study of triangles. Take note of the word "tri"
"angles". As the name suggests, trigonometry is the study
of this particular shape in terms of its three angles and sides; in
addition to the relationships that exist between them.
For
a right angle triangle, one of the three angles is 90 degrees.
The
sides of a right angle triangle adhere to the Pythagorean
Theorem.
The
sides and the angles follow some certain ratios, among them
o
sine
o cosine
o tangent
Tiara
Jacquelina
Bidang
matematik ini mengkaji bentuk segitiga dengan menumpukan kepada tiga
tepi dan tiga sudut yang terdapat padanya. Bidang ini juga mengkaji
perhubungan di antara ketiga-tiga tepi dan sudut tersebutt.
Segitiga
tepat mengandungi satu sudut tepat. Tepi-tepi segitiga tepat
mematuhi
Hukum
Pythagoras.
Tepi
dan sudut segitiga tepat juga mematuhi nisbah-nisbah berikut:
o sine
o cosine
o
tangent
