the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth
when doing tangent the tangent of the angle is equal to the opposite side from the angle over the adjacent side to the angle.
tan43 = x / 12
move 12 over by multiplying each side by 12
12tan43 = x
x = about 11.2
i'm sorry mate, but i am not seeing any figures. i am unable to solve this for you.