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Find cos 225^(@) -sin 225^(@) +tan 495^(...

Find `cos 225^(@) -sin 225^(@) +tan 495^(@) - cot 495^(@)`.

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Knowledge Check

  • cos 225^(@)+ sin 165^(@)=

    A
    0
    B
    `(sqrt(3)-1)/(sqrt(3))`
    C
    `(sqrt(3)-1)/(2sqrt(2))`
    D
    `(sqrt(2)+1)/(sqrt(2))`

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