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OpenStudy (anonymous):
Given cos B = 11/18 find angle B in degrees. Round your answer to the nearest hundredth. A. 43.37° B. 52.33° C. 78.13° D. 65.55°
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OpenStudy (anonymous):
To find the angle of a trig function you simply use the inverse trig function! \[B = \cos^{-1}(\frac{ 11 }{ 18 })\]
OpenStudy (anonymous):
52.33 so B !
OpenStudy (anonymous):
Great job!
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