Apabila cosec a = 3, nilai cos a dan tan a ???
Matematika
sindy07
Pertanyaan
Apabila cosec a = 3, nilai cos a dan tan a ???
1 Jawaban
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1. Jawaban cahyapa
cosec a = 3
1 / sin a = 3
sin a = 1/3
cos a = 2√2 / 3
tan a = sin a / cos a
= 1/3 / 2√2 / 3
= √2 / 4