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Sunday, May 12, 2013

Inverse Trigonometric Functions

Category: Trigonometry, Algebra

"Published in Suisun City, California, USA"

Rewrite the expression as an algebraic expression in x for 



Solution:

Consider the given equation above, we have



Let

and

so that the above equation becomes







Next, we need to get the values of trigonometric functions as a function of x. Consider again the given inverse trigonometric functions in order to get the trigonometric functions as a function of x as follows:

Let 



Draw and label a right triangle in order to get the other trigonometric functions as a function of x


Photo by Math Principles in Everyday Life







Let



Draw and label a right triangle in order to get the other trigonometric functions as a function of x


Photo by Math Principles in Everyday Life







Finally, consider again the function



Substitute the values of trigonometric functions to the above equation, we have









Rationalize the denominator in order to eliminate the radical sign








Therefore,