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An angle terminates in quadrant four and has tangent

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An angle terminates in quadrant four and has tangent equal to -5/13. What is its secant?
asked Sep 15, 2018 in TRIGONOMETRY by anonymous
reshown Sep 15, 2018 by bradely

1 Answer

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In quadrant four cos and secant are positive.

tan =-5/13

opp =5 and adj =13

hyp =√(5^2+13^2) =√194

senant =hyp/adj =√194/13

answered Sep 17, 2018 by johnkelly Apprentice

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