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If x+y+z=π prove the trignometric identity= cot*x/2+cot*y/2 + cot*g*z/2

If x+y+z=π prove the trignometric identity= cot*x/2+cot*y/2 + cot*g*z/2
 

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Grade:10

1 Answers

Harshit Singh
askIITians Faculty 5964 Points
2 months ago
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