x is an acute angle. Find the value of x in degrees. Round to the nearest hundredth.
sin(x) = 0.9
Options
A
62.66°
B
64.16°
C
65.43°
D
63.31°
Answer & Analysis
Answer
B
Analysis
Question Analysis
The main focus is to use the inverse sine function to find the acute angle when given that . Since is acute (<<), we'll work within this range to calculate the value of .
Key Concept Explanation
The inverse sine function, or , gives the angle whose sine is . That is, if , then . The principal value range of is
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