Roboguru

Tentukan nilai sinus, cosinus, dan tangen dari sudut A dan sudut C pada gambar berikut!

Pertanyaan

Tentukan nilai sinus, cosinus, dan tangen dari sudut A dan sudut C pada gambar berikut!

 

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  2. undefined 

Pembahasan Soal:

begin mathsize 14px style A C equals square root of A B squared plus B C squared end root space space space space space equals square root of 4 squared plus 3 squared end root space space space space space equals square root of 25 space space space space space equals 5 sin space A equals fraction numerator B C over denominator A C end fraction space space space space space space space space space space space space space space space space space space sin space C equals fraction numerator A B over denominator A C end fraction space space space space space space space equals 3 over 5 space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals 4 over 5 cos space A equals fraction numerator A B over denominator A C end fraction space space space space space space space space space space space space space space space space space cos space C equals fraction numerator B C over denominator A C end fraction space space space space space space space space space equals 4 over 5 space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals 3 over 5 tan space A equals fraction numerator B C over denominator A B end fraction space space space space space space space space space space space space space space space space space space tan space C equals fraction numerator A B over denominator B C end fraction space space space space space space space equals 3 over 4 space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals 4 over 3 space space end style 

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 08 Februari 2021

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