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918

Q:

If tan $$ -{7π\over4}=x $$ then the value of x is : 

  • 1
    $$-{1\over2}$$
  • 2
    $$-{√3\over2}$$
  • 3
    $${√3\over2}$$
  • 4
    1
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  • Workspace

Answer : 4. "1"

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