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How to solve this??Plzz help me to solve this.The value of pi r=1 to 7 cos pi×r/15

How to solve this??Plzz help me to solve this.The value of pi r=1 to 7 cos pi×r/15

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Grade:11

1 Answers

Deepak Kumar Shringi
askIITians Faculty 4407 Points
4 years ago
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