True or false. If the whole bar is 3 units long, the expression below shows the value of the shaded part of the bar.
ttps://tex.z-dn.net/?f=%5Cfrac%7B3%7D%7B4%7D" id="TexFormula1" title="\frac{3}{4}" alt="\frac{3}{4}" align="absmiddle" class="latex-formula">x3 = 
= 
= 2
A. True
B. False
A. True
B. False
1 answer:
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Alright, lets get started.
Please take a look at the diagram attached.
The reference angle of 75 will be 75
As it is mentioned that the angle intersects the unit circle means r = 1
So, finding cos
cos 75 =
cos 75 =
cos 75 = 0.259 : Answer
Hope it will help :)
