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Grade 11Trigonometry

find the range of the given function with proper explaination step by step

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Profile image of monishka
8 Years agoGrade 11
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1 Answer

Profile image of Sandeep Bhamoo
8 Years ago
The function is maximum when denominator is minimum ie. at x=π/8, fn= 4/1=4, for minimum value of fn denominator needs to be maximum , x=3π/8, fn= 4/5. Hence range is (4/5 ,4) please do approve my answer if correct.