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Questions  

If 3sin2θ5+4cos2θ=1 then the value of tan θ is equal to 

a
1
b
13
c
3
d
none of these

detailed solution

Correct option is C

6sin⁡θcos⁡θ8cos2⁡θ+1=6tan⁡θ9+tan2⁡θ=1⇒tan2⁡θ−6tan⁡θ+9=0⇒tan⁡θ=3

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