tan -15=...? pake cara tolong
Matematika
ode20
Pertanyaan
tan -15=...? pake cara tolong
1 Jawaban
-
1. Jawaban pinkfaridayahoocom
tan-15
=(tan(45-60))
=tan45-tan60/1+tan45.tan60
=1-akar3/1+1.akar3
=1-akar3/1+akar3
=1