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Question

Find the value of x from the equation xsinπ6cos2π4=cot2π6secπ3tanπ4cosec2π4cosecπ6

A
4
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B
6
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C
-2
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D
0
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Solution

The correct option is B 6
xsinπ6cos2π4=cot2π6secπ3tanπ4cosec2π4cosecπ6
or x×12×12=(3)2×2×1(2)2×2
or x×14=3×2×12×2=32=12
or x=6

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