TRIGONOMETRIC EQUATIONS - Exercise 2

Find all solutions of the equation tex2html_wrap_inline81 that lie in the interval tex2html_wrap_inline83

Solution: The left hand side of the equation can be factored as:

displaymath73

hence either tex2html_wrap_inline85 or tex2html_wrap_inline87 . For tex2html_wrap_inline89 ,

displaymath74

while

displaymath75

and

displaymath76

The solution set of the original equation is then

displaymath91

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