cot B + tan B = cosec B sec B
Matematika
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Pertanyaan
cot B + tan B = cosec B sec B
1 Jawaban
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1. Jawaban Magriby
cot B +tan B = cosB/sinB + sinB/cosB
=( cos²B+sin²B)/cosB sin B
= 1/sinB cos B
= 1/sin B * 1/cosB
= cosec B sec B