Question

value of √1-cos² is.........​​

Answer 1

Answer:

√1-cosx² = √sin²x= sinx

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Answer 2

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We know cos²A + sin²A = 1

=> sin²A = 1 - cos²A --->$\fbox{ Eq -1}$

Given , $\mathrm{\sqrt{1-cos²A}}$

= $\mathrm{\sqrt{sin²A}}$

The square and square root gets cancelled

= sin A