2 sin alpha x cos alpha / cotan alpha
Matematika
bworigaz123
Pertanyaan
2 sin alpha x cos alpha / cotan alpha
1 Jawaban
-
1. Jawaban DB45
Trigonometri
(2 sin A cos A) / cot A=
= (2 sin A cos A) / ( cos A/sin A)
= sin A( 2 sin A cos A)/(cos A)
= 2 sin² A