Buktikan: (sec A-1)/(sec A+1)=tan^2(A/2)
Saluranedukasion 2024-05-31T19:39:08.000Z
Buktikan: (sec A-1)/(sec A+1)=tan^2(A/2)
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Buktikan: (sec A-1)/(sec A+1)=tan^2(A/2)