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785

Q:

If x+ y=90°, then what is  the value of $$ {\sqrt{cosx.cosecy-cosx.siny}}$$?

  • 1
    cosx
  • 2
    sinx
  • 3
    $$ {\sqrt{sinx}}$$
  • 4
    $$ {\sqrt{cosx}}$$
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  • Workspace

Answer : 2. "sinx"

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