Question 26
SSC-CGL 2020 Mar 3 Shift 2
If 2sinθ - 6√3tanθ + 5 = 0, then the value of (tan2θ + cos2θ) is?
Solution in Short
The best way is to attempt a guess with some acute angles. One angle that satisfies this equation is θ = 30°. So (tan2θ + cos2θ) becomes (tan 60° + cos 60°) = √3 + 1/2 answer!
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