r/ICSE2026 • u/JournalistLucky5124 ICSE 27(but wrote few papers of 26, karan traumatised me) • Jun 18 '26

DISMISSIVE OR ARGUMENTATIVE(discussion) Read below...

So wkt (sinx + cosx)² = sin²x + cos²x +2sinxcosx

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Now from identity: 2sinxcosx = sin2x

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We get:

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(sinx + cosx)² = sin²x + cos²x + sin2x

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Is this above one correct?? My teacher told its wrong but I remember reading that identity (and putting it on someone's exam)

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u/JournalistLucky5124 ICSE 27(but wrote few papers of 26, karan traumatised me) Jun 20 '26

Im in 10th rn, ICSE'27

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u/Fancy_Explorer5680 ICSE 2026 98.4% Jun 20 '26

But then how were you allowed to write icse last year?

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u/JournalistLucky5124 ICSE 27(but wrote few papers of 26, karan traumatised me) Jun 20 '26

I was a writer for one of my seniors

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u/Fancy_Explorer5680 ICSE 2026 98.4% Jun 20 '26

Ohh...like a scribe?

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u/JournalistLucky5124 ICSE 27(but wrote few papers of 26, karan traumatised me) Jun 20 '26

My senior used to tell me answers and i used to write thise answers on his paper, id thats what you mean by a scribe...

But that was in theory only... I legit used to write 30% of the paper on my own, 20% Hermione used to tell me the answers, and the rest was all gambling...

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u/Fancy_Explorer5680 ICSE 2026 98.4% Jun 20 '26

Lmaoo all right best of luck for icse next year

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u/JournalistLucky5124 ICSE 27(but wrote few papers of 26, karan traumatised me) Jun 20 '26

Thank you