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:
what do you want me to do subtraction, addition, multiplication or division?
Step-by-step explanation:
Well as it looks like to me the cords of the a,b,c are 2,3,1
Answer:
A
Step-by-step explanation:
The answer is C.1/4 I'm sure of it!
I hope that this helps you.
Have a great day. :)