Homework Help: grade 11 math

Posted by Priya on Saturday, February 23, 2013 at 12:42pm.

Determine two angles between 0°and 360°that have a secant of -4. Round your answers to the nearest degree.

There are tw answer 104°( I got this one but there is also 256° I dont have anyidea for this one please explain to me

I appreciate your time thankyou sooo much!!!

grade 11 math - Steve, Saturday, February 23, 2013 at 10:25pm
The secant is negative in QII and QIII

104° = 180° - 76°
The other answer is 180°+76° = 256°

Always draw the triangles in the various quadrants for this kind of problem.

Since secant is h/x, where h is the hypotenuse, if x is negative sec is negative. That happens in QII and QIII.

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