Use an Inverse Trigonometric Function to Write θ as a Function

question 46

Multiple Choice

Use an inverse trigonometric function to write θ as a function of x.​ ​ a = 5x
B = x + 9
​

• A) \(\theta = \arctan \frac { x + 9 } { 5 x }\)
• B) \(\theta = \arcsin \frac { x + 9 } { 5 x }\)
• C) \(\theta = \operatorname { arcsec } \frac { x + 9 } { 5 x }\)
• D) \(\theta = \operatorname { arccsc } \frac { x + 9 } { 5 x }\)
• E) \(\theta = \arccos \frac { x + 9 } { 5 x }\)

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