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Question

If sinθ=1213, then the value of 2cosθ+3tanθsinθ+tanθsinθ

A
125
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B
513
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C
259102
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D
25965
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Solution

The correct option is C 259102
sinθ=1213=PH
P=12,H=13
P2+B2=H2B=H2P2=132122=5
Hence
cosθ=BH=513
tanθ=PB=125
Substituting in the given equation, we get
2513+31251213+12×125×13
=50+468144+60
=518204
=259102

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