Buktikan bahwa: cos alpha=(1-tan^2(1/2 alpha))/(1+tan^2(1/2
Saluran Edukasion 2024-02-18T22:32:00
Buktikan bahwa: cos alpha=(1-tan^2(1/2 alpha))/(1+tan^2(1/2 alpha))
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Buktikan bahwa: cos alpha=(1-tan^2(1/2 alpha))/(1+tan^2(1/2 alpha))