please answer this question.... Don't give blind answers... I need with process... Correct answer will be marked as brainliest....
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Please keep ur promise sir
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chunu2:
This is the best method
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Here sigma (Σ) is important,
Σ sign means all three angles A,B & C of triangle have to used and then summation...
I have proved without any assumptions.
Answer is zero.
"Thanks"
Σ sign means all three angles A,B & C of triangle have to used and then summation...
I have proved without any assumptions.
Answer is zero.
"Thanks"
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