Question

1. if sin A=1 then cos A=? af
Sin A=1 Fiat COSA=?
O 1
O 1/2
Oo
O V3/2
Required​

Answer 1

Answer:

0

Step-by-step explanation:

sinA=1

sinA^2 + cosB^2 = 1

(1)^2 + cosB^2= 1

1 + cosB^2 = 1

cosB^2 = 0

cosB = 0