Buktikan identitas trigonometri berikut.
Saluran Edukasion 2024-04-27T17:59:08
Buktikan identitas trigonometri berikut. sec^4(x)-tan^4(x)=sec^2(x)+tan^2(x)
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Buktikan identitas trigonometri berikut. sec^4(x)-tan^4(x)=sec^2(x)+tan^2(x)