Can someone please help solve this and show me the formula of how to do it?
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Answer:
f=2.93cm
Step-by-step explanation:
SOH CAH TOA [the length you are finding is adjacent to the angle and opposite to right angle is the hypotenuse, therefore use cosine]
cos(43°)=f/4
[times 4x on both sides it cancels on the left]
4cos(43°)=f
2.93=f