\ !rk ]B AW=s secd LÂĽ Â˘% – InterviewSolution

1.

\ !rk ]B AW=s secd LÂĽ Â˘%

Answer»

cosθ+ secθ = 2cosθ+ 1/cosθ = 2 cos²θ + 1 = 2cosθcos²θ + 1 - 2cosθ = 0(cosθ - 1)² = 0cosθ = 1

So,cos²θ+ sec²θ cos²θ+ 1/cos²θ (cos⁴θ + 1)/cos²θ2/1 = 2

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