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sin50^(@)-sin70^(@)+sin10^(@)=?...

`sin50^(@)-sin70^(@)+sin10^(@)=?`

A

1

B

0

C

`(1)/(2)`

D

2

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cos70^(@)+sin40^(@)=

(i) cos20^(@) + cos100^(@) + cos 140^(@) =0 (ii) sin 50^(@) - sin 70^(@) + sin 10^(@) =0 (iii) 2 cos "" ( pi )/( 13) cos "" ( 9 pi )/( 13) + cos "" (3pi)/( 13) + cos "" ( 5pi )/( 13) =0

Knowledge Check

  • The value of sin 50^(@) - sin70^(@) + sin 10^(@) is equal to

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

  • The value of sin 50^(@) - sin 70^(@) + sin 10^(@) is

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

  • The value of sin 50^(@) - sin 70^(@) + sin 10^(@) is equal to

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

    • Similar Questions

    Explore conceptually related problems

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    sin10^(@)sin50^(@)+sin50^(@)sin250^(@)+sin250^(@)sin10^(@)=-(3)/(4)

    Find 1-sin10^(@)sin50^(@)sin70^(@) .

    sin 50 ^(@) - sin 70^(@) + sin 10^(@) A)-1B)0C) sin 5^(@) D) -sin 5^(@)

    What is the values of 1-sin10^(@)sin50^(@)sin70^(@) ?

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