Tunjukkan kebenaran identitas trigonometri berikut. (sin

Saluran Edukasion 2024-03-15T13:57:00

Tunjukkan kebenaran identitas trigonometri berikut. (sin A-cos A)(sin A+cos A)=cos^2 A(tan^2 A-1)
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Tunjukkan kebenaran identitas trigonometri berikut. (sin A-cos A)(sin A+cos A)=cos^2 A(tan^2 A-1)