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Q:

यदि x+ y=90°,  है तो $$ {\sqrt{cosx.cosecy-cosx.siny}}$$ का मान क्या होगा?

  • 1
    cosx
  • 2
    sinx
  • 3
    $$ {\sqrt{sinx}}$$
  • 4
    $$ {\sqrt{cosx}}$$
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Answer : 2. "sinx"

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