Use the inverse trig functions to express the angle in terms of the indicated unknown side. ?Given that y = 7, express angle A in terms of x. Use one of the inverse trig functions tan-1, sin-1, or cos-1.

A. = tan-1 
B. = sin-1 
C. = tan-1 
D. = sin-1 


Answer: A

Mathematics

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A. - 
B.
C. - 
D.

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