Question

Soma de seno cosseno e tangente

Answer 1

Oi Lorena

as formulas da soma são

sen(a + b) = sen(a)*cos(b) + cos(a)*sen(b)
cos(a + b) = cos(a)*cos(b) - sen(a)*sen(b)
tg(a + b) = (tg(a) + tg(b))/(1 - tg(a)*tg(b))