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Question

If α and β are two different solution lying between π2 and π2 of the equation 2Tanθ+Secθ2 then Tanα+Tanβ is

A
0
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B
1
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C
43
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D
83
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Solution

The correct option is A 0
2tanθ+secθ2=02sinθcosθ+1cosθ2=02sinθ2cosθ+1=02(sinθcosθ)=1sinθcosθ=12(sinθcosθ)2=(12)2sin2θ+cos2θ2sinθcosθ=1412sinθcosθ=141sin2θ=14sin2θ=342θ=sin134
It can be π&π
tanπ+tan(π)=0

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