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Using trig to solve for missing angles

Using trig to solve for missing angles-example-1
User Skydroid
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1 Answer

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Answer:

? = 32.20422

Explanation:

We know the adjacent side and the hypotenuse

cos ? = adj / hyp

cos ? = 33/39

cos ? = 11/13

Taking the inverse cos of each side

cos ^ -1( cos ?) = cos^-1(11/13)

? = 32.20422

User Yuchao Zhou
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7.1k points