Jika 0<=x<=pi/2 dan tan^2 x + secan x = 5, maka cos x =
Saluranedukasion 2024-02-18T03:17:00.000Z
Jika 0<=x<=pi/2 dan tan^2 x + secan x = 5, maka cos x =
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Jika 0<=x<=pi/2 dan tan^2 x + secan x = 5, maka cos x =