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Please solve it. I have doubt in this question . I will be thankful to you.

Please solve it. I have doubt in this question . I will be thankful to you.

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Grade:11

1 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
4 years ago
Dear student

Kindly notice that all terms are squares so to obtain 0 only one condition satisfies ie all the terms individually must be 0

therefore, solution to asked problem is 1+1+1 = 3
or -1-1-1 = -3

as sin x = 0 x can be 0 or pi

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