Buktikan cotan A + tan A /cosec A = sec A

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Buktikan cotan A + tan A /cosec A = sec A

Buktikan cotan A + tan A /cosec A = sec A

Jawaban Terkonfirmasi

Secx = cotx + tanx / cscx

secx = cosx/sinx + sinx/cosx : cscx

secx = cos²x + sin²x / sinxcosx : cscx

secx = 1/sinxcosx : 1/sinx

secx = 1/sinxcosx . sinx/1

secx = 1/cosx

secx = secx