Diberikan tan a = -8/15 dengan sin a>0,tentukan xos a??.... Question from @Zaqirohdungdung

August 2018 2 9 Report

Diberikan tan a = -8/15 dengan sin a>0,tentukan xos a??

Nurrohmahsafit1 Tan a = -8/15 = de/sa

mi= √(-8)² + (15)² = √64 + 225 =√289 = 17
jadi, cos a = sa/mi = 15/17

1 votes Thanks 2

mutiaratumutia tan a = -8/15 = de/sa

mi= √(-8)² + (15)² = √64 + 225 =√289 = 17
jadi, cos a = sa/mi = 15/17

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