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Given down below is a diagram. Find 'a' and round to the nearest tenth.

 May 10, 2021

Best Answer 

 #1
avatar+34492 
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You will need a trig calculator for this

Right triangle    cosin 22 = adjacent side / hypotenuse

                          cos 22 = a / 30

                              a = 30 * cos 22o                Make sure you use 22 degrees and NOT 22 RADIANS in your calc !  

 May 10, 2021
 #1
avatar+34492 
+2
Best Answer

You will need a trig calculator for this

Right triangle    cosin 22 = adjacent side / hypotenuse

                          cos 22 = a / 30

                              a = 30 * cos 22o                Make sure you use 22 degrees and NOT 22 RADIANS in your calc !  

ElectricPavlov May 10, 2021

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