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CDS - Elementary Mathematics Test-68
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CDS - Elementary Mathematics Test-68

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  • Question 1/10
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  • Question 2/10
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    If sinx + cosecx = 2, then what is 

    Solutions

    sin x+cosec x = 2 

    Sin2x + 1-2 sin x=0 

    Sin x=1 

    Sin9x +cosec9x = 1+1=2

     

  • Question 3/10
    1 / -0

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  • Question 4/10
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    If cos 4π/3 = x, then the value of x is

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  • Question 5/10
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  • Question 6/10
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    What is the simplified value of 

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  • Question 7/10
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    What is the simplified value of 

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  • Question 8/10
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    If the angle of elevation of the Sun changes from 30 º to 45 º, the length of the shadow of a pillar decreases by 20 metres. The height of the pillar is

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  • Question 9/10
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  • Question 10/10
    1 / -0

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