cos x . cot x + sin x

Kelas 10 Matematika
Bab Trigonometri

cos x . cot x + sin x
= cos x . cos x/sin x + sin x
= (cos² x + sin² x)/sin x
= 1/sin x
= cosec x

•cos (x). cot (x) + sin (x)
•cos (x) x sin (x)/cos (x) + sin (x)
•sin (x) + sin (x) (disederhanakan)
=2sin(x)

Semoga membantu yaa.. ^_^