arabera Marcela Fernández 5 years ago
425
Honelako gehiago
by Ana Ruiz
by Antonio Sánchez
by María Fernanda Medellin Aguilar
by cesar londoño
tan a/2=+-√1-cosa/1+cosa
cos(2a)=1-2sen2a
tan(2a)=2tana/1-tan2a
sen2(2a)=1-cos(2a)/2sen2(2a)=1-cos(2a)/2
tana(A-B)=tanA-tanB/1+tanAtanB
tana(A+B)=tanA+tanB/1-tanAtanB