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September 21, 2014

September 21, 2014

Posted by **Rony** on Sunday, March 28, 2010 at 12:15pm.

terminal side passes through the point (−3,2), find

the exact value of cscθ .

I know the answer...but i want to know how you get the answer...

The answer is

radical 13/2

- math(advanced algebra&trigonometry) -
**Reiny**, Sunday, March 28, 2010 at 12:20pmconstruct a triangle by drawing a perpendicular from the point (-3,2) to the x-axis.

by Pythagoras the hypotenuse is √(9+4) = √13

by definition cscθ = r/y = √13/2

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