Complementaire hoeken
Complementaire hoeken
Welke van volgende uitspraken zijn waar?
cos (90 ° - [math]\alpha[/math]) = cos [math]\alpha[/math]
sin (90°-[math]\alpha[/math]) = - cos [math]\alpha[/math]
cos (90°-[math]\alpha[/math]) = sin [math]\alpha[/math]
cos (90°-[math]\alpha[/math]) = - cos [math]\alpha[/math]
sin (90°-[math]\alpha[/math]) = sin [math]\alpha[/math]
cos (90°-[math]\alpha[/math]) = - sin [math]\alpha[/math]
sin (90°-[math]\alpha[/math]) = - sin [math]\alpha[/math]
sin (90°-[math]\alpha[/math]) = cos [math]\alpha[/math]
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信息: Complementaire hoeken