Math, asked by mataleshmahato, 10 months ago

(sinA-cosA) ^2=1-2sinA.cosA

Answers

Answered by 217him217

2

Answer:

=(sinA-cosA) ²

= sin²A - 2sinAcosA + cos²A

= (sin²A+cos²A) - 2sinAcosA

= 1-2sinAcosA

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