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Sunday, December 14, 2014

Solving Trigonometric Equations, 10

Category: Trigonometry

"Published in Vacaville, California, USA"

Solve for the value of x for the equation:


Consider the given equation above

Since there's a half-angle function in the given equation, then we need to convert it into single angle function first as follows

Take the inverse cosine on both sides of the equation, we have 


Therefore, the values of x are

where n is the number of revolutions.