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Grade 12Trigonometry

As attached in image can anyone explain me why these formula`s changes due to change in x,y&xy and how can I derive them.

Question image for As attached in image can anyone explain me why the
Profile image of anurag more
9 Years agoGrade 12
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1 Answer

Profile image of Saurabh Koranglekar
7 Years ago
Dear student

To accommodatewithin the range defined for these functions we need to modify accordingly

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