What is the correct definition for sec theta ? a.sec theta=cos^-1theta b.sec theta=sin^-1theta c.sec theta=1/sin theta d.sec theta=1/cos theta e.sec theta=1/tan theta

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asked Aug 18, 2017 217k views

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What is the correct definition for sec theta ?

a.sec theta=cos^-1theta
b.sec theta=sin^-1theta
c.sec theta=1/sin theta
d.sec theta=1/cos theta
e.sec theta=1/tan theta

Mathematics
high-school

Twilson asked

by Twilson

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1 Answer

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sec Ф=1/cos Ф=cos⁻¹Ф

correct answers: a. sec Ф=cos⁻¹Ф and d. sec Ф=1/ cos Ф

DjKianoosh answered Aug 23, 2017

by DjKianoosh

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