How do you find all six trigonometric function of #theta# if the point (-1, -2) is on the terminal side of #theta#?

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Alan P. Share
Jan 5, 2018

Answer:

#{: (sin(theta)=-2/sqrt(5),color(white)("xxxx"),csc(theta)=-sqrt(5)/2), (cos(theta)=-1/sqrt(5),,sec(theta)=-sqrt(5)), (tan(theta)=2,,cot(theta)=1/2) :}#

Explanation:

Apply the basic definitions (e.g. #sin="opposite"/"hypotenuse") to the following diagram:
enter image source here

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