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Prove that sin50^(@)-sin70^(@)+sin10^(@)...

Prove that `sin50^(@)-sin70^(@)+sin10^(@)=0`

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Prove that sin 50^(@) - sin 70^(@) +sin 10^(@) =0 .

For A in R , prove that sin20^(@)sin40^(@)sin60^(@)sin80^(@)=3/16

Knowledge Check

  • cos70^(@)+sin40^(@)=

    A
    `sin10^(@)`
    B
    `cos10^(@)`
    C
    `tan10^(@)`
    D
    `cot 10^(@)`

  • Sin10^(@) - Sin110^(@) + Sin130^(@) =

    A
    0
    B
    -1
    C
    1
    D
    `1//2`

  • sin 10^(@) + sin 20^(@) + sin 40^(@) + sin 50^(@) - sin 70^(@) - sin 80^(@) =

    A
    `1`
    B
    `1//2`
    C
    `-1//2`
    D
    0

    • Similar Questions

    Explore conceptually related problems

    Prove that sin55^(@)-sin19^(@)+sin53^(@)-sin17^(@)=cos1^(@)

    Prove that (sin70^(@)-cos40^(@))/(cos50^(@)-sin20^(@)) = 1/(sqrt(3)) .

    Show that sin10^(@)+sin20^(@)+sin40^(@)+sin50^(@) =sin70^(@)+sin80^(@)

    cos 70^(@) + sin 40^(@)=

    sin 10^(@) sin 30^(@) sin 50^(@) sin 70^(@) sin 90^(@)=

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