Question

sendo sen (x)=24/25 e x pertence ao 2 quadrante , a cotg x é?

Answer 1

Cos x = √1 -sen²x
Cos x = √1 -576/625
Cos x = √49/625 = -7/25

cotgx = Cosx / senx
cotgx = -7/25 / 24/25
cotgx = -7/25 • 25/24
cotgx = -7/24 ✓