Step-by-step explanation:
Given :
1- cosA = 1/2
or, CosA = 1 -1/2
Therefore ; CosA = 1/2 = b/h
According to the Pythagoras theorem,
P = root under h^2 - b^2
= root under (2)^2 - (1)^2
= root under 4 -1
= root 3
Again,
SinA = P/h
= root 3 / 2
Answer:
u = 3
Step-by-step explanation:

I hope I've helped you.
1
2
0
x
+
120x+392
Step-by-step explanation:
Answer:
46uusuhdhuduhsbsu7sheheususysyw7wuwuw