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The value of sum(k=1)^10(sin(2pik)/11-ic...

The value of `sum_(k=1)^10(sin(2pik)/11-icos(2pik)/11)` is

A

2

B

1

C

0

D

-1

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The correct Answer is:
B
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ARIHANT MATHS-TRIGONOMETRIC FUNCTIONS AND IDENTITIES-Exercise (Single Option Correct Type Questions)
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  3. The minimum value of the function f(x)=(3 sin x - 4 cos x - 10)(3 si...

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  4. The value of the expression sum(theta =0)^8 1/(1 + tan^3 (10theta)^@) ...

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  6. If tan alpha ,tan beta are th roots of the eqution x^2+px+q=0 (p !=...

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  8. If tanB= (nsinA cosA)/(1-ncos^2A)then tan(A +B) equals

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  9. If P = (tan(3^(n+1)theta - tantheta)

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  12. Let P(x)=sqrt(( cosx +cos2x+cos3x)^2+ (sin x + sin 2x+sin3x)^2) then P...

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  16. If a = cos (2012 pi), b = sec (2013 pi) and c = tan (2014 pi) then

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  18. The number of ordered pairs (x, y) of real number satisfying 4x^2 - 4...

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  19. In a DeltaABC,3 sin A+4 cos B=6 and 3 cos A+4 sinB=1, then angleC can ...

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