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Find the value of x to the nearest tenth

Find the value of x to the nearest tenth-example-1
User Lanwen
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To find the value of x, you need to find the inverse tangent of 90. If you use your calculator to find the inverse tangent, you will see that the number is 89.3634, which is 89.4 when rounded to the nearest tenth. So, 89.4 is the value of x. 
User Mkozicki
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