cot(-315°) ........... ???
Matematika
fadnara
Pertanyaan
cot(-315°) ........... ???
2 Jawaban
-
1. Jawaban 18Navillera
- cot(270+45)
= - (-cot45)
= cot 45°
= 1 -
2. Jawaban arsetpopeye
cot (-315°)
= - cot 315
= - cot (270° + 45°)
= - (- Tan 45°)
= Tan 45°
= 1