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The solution set of the system of equati...

The solution set of the system of equations `x+y=(2pi)/3,cosx+cosy=3/2,` where `x ` and `y` are real, is

A

a finite non-empty set

B

no solution

C

`oo`

D

none of these

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The correct Answer is:
B
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TARGET PUBLICATION-TRIGONOMETRIC FUNCTIONS -Competitive Thinking
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  8. General solution of tantheta=cot2theta is

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  12. If (2cosx-1)(3+2cosx)=0, 0lexle2pi, then x=

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  13. If sin((pi)/(4)costheta)=cos((pi)/(4)tantheta), then theta is equal to

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