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Precalculus 8 Online
OpenStudy (anonymous):

Write the first trigonometric function in terms of the second for θ in the given quadrant. sec θ, sin θ; θ in Quadrant III

OpenStudy (luigi0210):

Is there anymore info provided?

OpenStudy (anonymous):

Nope

OpenStudy (anonymous):

I know I have to use the pythagorean identites but I'm having trouble figuring out which one to use

OpenStudy (ddcamp):

Use sin² + cos² = 1: cos² = 1-sin² cos = sqrt(1-sin²) sec = 1/sqrt(1-sin²)

OpenStudy (anonymous):

sin is negative in Q3

OpenStudy (anonymous):

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