tolong dibantu kak no 6
Matematika
SitiAni1
Pertanyaan
tolong dibantu kak no 6
1 Jawaban
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1. Jawaban neverhaveaname
tan²β/(1+secβ)=1
(sec²β-1)/(1+secβ)=1
(secβ+1)(secβ-1)/(secβ+1)=1
secβ=2
arc secβ=60