Explicación paso a paso:
P = Cos³θSec²θ + SenθCtgθ
P = Cos³θ(1/Cos²θ) + Senθ(Cosθ/Senθ)
P = (Cos³θ/Cos²θ) + Cosθ
P = Cosθ + Cosθ
P = 2Cosθ
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Explicación paso a paso:
P = Cos³θSec²θ + SenθCtgθ
P = Cos³θ(1/Cos²θ) + Senθ(Cosθ/Senθ)
P = (Cos³θ/Cos²θ) + Cosθ
P = Cosθ + Cosθ
P = 2Cosθ