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Question

If 5cotθ=4 then the value of (5sinθ3cosθsinθ+2cosθ) is :

A
514
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B
34
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C
1
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D
None of these
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Solution

The correct option is D 1
(5sinθ3cosθsinθ+2cosθ)
Dividing numerator and denominator by sinθ we get:

=53cotθ1+2cotθ=53×451+2×45=1

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