Buktikan identitas trigonometri berikut: (1+sin a-cos

Saluranedukasion 2024-02-18T15:22:00.000Z

Buktikan identitas trigonometri berikut: (1+sin a-cos a)/(1+sin a+cos a)+(1+sin a+cos a)/(1+sin a-cos a)=2 sin a
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