Tunjukkan bahwa: (tan 165-tan 105)/(1+tan 165 x tan 105)
Saluranedukasion 2024-06-14T10:22:00.000Z
Tunjukkan bahwa: (tan 165-tan 105)/(1+tan 165 x tan 105) =1/2 p(1-p^2); jika tan 15=p
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