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Results for: 'M2_11_Trigon_9IdentityB_sin²X cos²X=1'

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F2 數學 11.8B: 三角恆等式：sin²X+cos²X=1

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M2_11_Trigon_9IdentityB_sin²X+cos²X=1

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F2 數學 11.8: 三角恆等式：tanX=sinX/cosX, sin²X+cos²X=1

By: t9505, Views: 765

M2_11_Trigon_9Identity_tanX=sinX/cosX_sin²X+cos²X=1

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