If sec2θ + tan2θ = 5/3, then what is the value of tan2θ?
1). 2√3
2). √3
3). 1/√3
4). Cannot be determined
Using property sec2(x) = 1 + tan2(x)
⇒ sec2θ + tan2θ = 5/3
⇒ 1 + tan2θ + tan2θ = 5/3
⇒ 2tan2θ = 2/3
⇒ tanθ = 1/√3
⇒ θ = 30
∴ tan(2θ) = tan(60) = √32. Who among the following is the President of Athletics Federation of India?
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