Question

Se tg(x+y)= 66 e tg x = 6,então tg y é:




A)0,15




B) 0,17




C)0,19

Answer 1

tg(x+y) = 66

tgx+tgy / 1-tgx. tgy = 66

6+tgy / 1-6.tgy = 66

6+tgy = 66.(1 -6 tgy)

6+tgy = 66 -396 tgy

tgy +396tgy = 66 -6

397 tgy = 60

tgy = 60/397

tgy = 0,15 ✓