Buktikanlah identitas trigonometri berikut. cos a/(1-sin

Saluranedukasion 2023-11-21T17:02:00.000Z

Buktikanlah identitas trigonometri berikut. cos a/(1-sin a)-cos a/(1+sin a)=2 tan a
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Buktikanlah identitas trigonometri berikut. cos a/(1-sin a)-cos a/(1+sin a)=2 tan a