Answer:
Cos A = x/z
Step-by-step explanation:
You need to memorize the definitions of all the trig functions and then these types of problems become easy! OK?
Cos = adjacent side/hypotenuse
Cos A = x/z
150-4[3+9/4-1*(14-11)^2]
150-4[12/3*(3)^2]
150-4[4*3^2]
150-4[4*9]
150-4*36
150-144
6
(I think)
Answer:28
Step-by-step explanation: in this case n=4, so you would plug in 4 into the equation: 5(4)+8 which equals 8
Answer:
The value of cos 180 is equal to -1
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